Parts Manual
24" Dual Stage
Attachment
Mf
. No. Description
1695515 H924RX, 9TP 24" Snowthrower (CE/Export)
Snowthrower
Rev.
1737538
12/2008
Part No.:
TP 400-5017-01-LW-S
Table Of Content
PRODUCT COMPONENTS PAGES
Handle Assembly Group ......................................................................................................................................
Engine Group .......................................................................................................................................................
Frame Group ........................................................................................................................................................
Auger Housing Group ..........................................................................................................................................
Wheel Group ........................................................................................................................................................
Decals Group .......................................................................................................................................................
Chute Rod Group .................................................................................................................................................
Control Panel Group ............................................................................................................................................
Discharge Chute Group .......................................................................................................................................
Drive Group ..........................................................................................................................................................
Gear Case Group .................................................................................................................................................
Shift Group ...........................................................................................................................................................
Torque Specification Chart ..................................................................... Inside Back Cover
10
12
14
16
18
20
22
24
26
4
6
8
Handle Assembly Group
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
1742038
The above parts group applies to the following Mfg. Nos.:
1695515 - H924RX
© Copyright by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved
2008
4
TP 400-5017-01-LW-S
Handle Assembly Group
PART NO. DESCRIPTION REF NO QTY.
HANDLE, UPPER LH 720 1740587ASM 1
HANDLE, UPPER RH 721 1740573ASM 1
SCREW, 5/16-18 x 2.75 724 11234MA 1
WASHER, FLAT 725 71071MA 3
WASHER, SPTLK .31X.58X.08 726 71060MA 1
NUT, 5/16-18 REGHEX 727 15X144MA 3
STOP, RED PLASTIC 728 11261MA 3
GRIP-HANDLE FINGER 729 337399MA 2
LEVER, ASSY CLUTCH DRIVE RH 730 1740700AYP 1
LEVER, ASSY CLUTCH DRIVE LH 731 1740699AYP 1
ROD, PIVOT CLUTCH 733 337381MA 1
NUT, PUSH ON CAP 734 761105MA 2
SPACER-HANDLE 735 337373MA 1
BUMPER, RECTANGLE 739 4049MA 2
CABLE, CLUTCH 28.44L 740 1501123MA 1
CABLE, AUGER CLUTCH 741 761872MA 1
BRACKET, CABLE ADJUSTER 743 313441MA 1
SPRING, AUGER CLUTCH 744 1673MA 1
NUT, 1/4-20 745 15X145MA 2
HANDLE, LOWER 750 1740701ASM 1
SCREW 751 25X021MA 4
BRKT, GEAR SELECTOR 755 1740698ASM 1
SCREW, 5/16-18 x 2.00 756 6751MA 2
SCREW, 1/4-20 X 0.63 757 310169MA 2
SPOOL-CABLE, AUGER CLUTCH 759 579860MA 1
BRACKET, CABLE SPOOL YZ 760 1501059YZMA 1
CABLE, LOWER DRIVE 12" 762 1501122MA 1
BOLT, HEX 1/4-20 X 1.50 YZ 763 001798MA 1
BOOT, CLUTCH SPRING 765 308146MA 2
Footnotes
The above parts group applies to the following Mfg. Nos.:
1695515 - H924RX
© Copyright by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved
2008
5
TP 400-5017-01-LW-S
Engine Group
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
1742202
The above parts group applies to the following Mfg. Nos.:
1695515 - H924RX
© Copyright by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved
2008
6
TP 400-5017-01-LW-S
Engine Group
PART NO. DESCRIPTION REF NO QTY.
CORD, Starter 1 6219MA 1
ENGINE (Model# 12D1160124E8) 2 ----- 1
BOLT, CARRIAGE 5/16-18 30 0 2 X 9 7 M A 4
RETAINER, PUSH 40 2 8 X 7 6 M A 4
NUT 5/16-18 5 1960686SM 4
PULLEY, ENGINE 6 1736102YP 1
WASHER 7 17X146MA 1
WASHER .38ID 8 71060MA 3
SCREW, 3/8-24 x 1.00 9 910828MA 1
BELT, V 3L 10 1733324SM 1
BELT, V 4L 11 1736421YP 1
BRACKET ASSEMBLY, IDLER 12 1501112YZMA 1
BUSHING, IDLER BRACKET 13 1501065MA 1
WASHER, SPLIT 14 71060MA 1
SCREW 5/16-24 X 0.75 15 710097MA 1
SPRING, IDLER TRACTION DRIVE 16 53704MA 1
PULLEY, IDLER 17 1502120MA 1
NUT, JAM 3/8-16 18 590MA 1
GUIDE, BELT 20 1501201MA 1
WASHER .31X.58X.08 22 71060MA 1
SCREW, 5/16-24 x 0.75 24 710097MA 2
FRAME, MOTORBOX (5-11HP) 25 ----- 1
PLATE, ENGINE MOUNT 25-1 1740574CYP 1
SCREW, TAP 1/4-20 X .63 25-2 310169MA 1
SCREW, TAP 5/16-18 X .50 25-3 25X020MA 1
FRAME, MOTOR BOX 25-4 1735753CYP 1
KEY, BRIGGS ENGINE 26 794696 1
DEFLECTOR, Muffler 27 794213 1
SCREW, 28 699854 1
HEAT SHIELD, Muffler 29 1734732SM 1
SCREW, Hex-Washer 30 1736103SM 1
Footnotes
Note* See your local Briggs & Stratton distributor for parts
The above parts group applies to the following Mfg. Nos.:
1695515 - H924RX
© Copyright by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved
2008
7
TP 400-5017-01-LW-S
Frame Group
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
1742203
The above parts group applies to the following Mfg. Nos.:
1695515 - H924RX
© Copyright by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved
2008
8
TP 400-5017-01-LW-S
Frame Group
PART NO. DESCRIPTION REF NO QTY.
COVER, BOTTOM 90 1740906ASM 1
SCREW, 1/4-20X .63 91 310169MA 12
IDLER ASSEMBLY, AUGER 103 1501226YZMA 1
PIN, HAIR .38DIAX1.64LG 105 711682MA 1
PIN, CLEVIS 3/16" DIA 106 1736381YP 1
SPRING, TENSION 107 165X159MA 1
ARM, CONTROL 108 1733451SM 1
BOLT, 3/8-16X1.25 CARR. 110 585781MA 1
WASHER, FLAT 111 711617MA 2
WASHER 112 017X48MA 1
SCREW, TAP 5/16-18 X 0.50 122 25X020MA 8
SCREW, TAP 5/16-18 X 0.75 123 25X021MA 2
PULLEY, IDLER 148 1502120MA 1
NUT, JAM 3/8-16 149 590MA 1
COVER, BELT 160 1502169MA 1
SCREW, TAP 162 26X306MA 1
WASHER, FLAT 166 71067MA 1
SPACER, AUGER BRACKET 168 1502041MA 1
Footnotes
The above parts group applies to the following Mfg. Nos.:
1695515 - H924RX
© Copyright by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved
2008
9
TP 400-5017-01-LW-S
Auger Housing Group
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
1742204
The above parts group applies to the following Mfg. Nos.:
1695515 - H924RX
© Copyright by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved
2008
10
TP 400-5017-01-LW-S
Auger Housing Group
PART NO. DESCRIPTION REF NO QTY.
PULLEY, 4L 6.12X .67 480 1501211MA 1
SCREW, 5/16-18 x 0.63 481 577400MA 2
KEY, SQUARE 3/16 X 3/4 482 2001022MA 1
SPACER, FRICTION PULLEY 485 1501158MA 1
RETAINER, BALL BRNG 490 582957YZMA 1
BEARING, BALL 491 1705897SM 1
BOLT, HEX 5/16-18X .50 493 001X45MA 3
NUT, 5/16-18 HEXWDFLLK 499 710026MA 1
ASSY, HOUSING 500 729061CYP 1
BLADE, SCRAPER 510 760657E701MA 1
BOLT, 5/16-18X.75 511 340720MA 5
NUT, 5/16-18 514 710026MA 12
PLUG 515 309235MA 2
ASSY, LH AUGER 520 1501441E701MA 1
ASSY, RH AUGER 521 1501440E701MA 1
SCREW, 1/4-20X1.75 522 9524MA 2
SPACER, SLEEVE 523 3943MA 2
NUT, 1/4-20 524 73826MA 2
BEARING, FLANGE 525 9517MA 2
NUT, 5/16-18 526 711862MA 6
SCREW, 5/16-18 x 0.75 527 9357MA 6
SKID, HEIGHT ADJUST 540 1740912AYP 2
BOLT, 5/16-18 X .75 541 7090799SM 4
NUT, 5/16-18 544 710026MA 1
BRUSH, CLEANOUT 550 1736094YP 1
CLIP, RETAINER 551 1501672MA 2
SCREW 552 06X115MA 2
NUT 553 15X146MA 2
BLOCK 554 578063MA 1
KIT, SHEAR BOLT -- 1501216MA 1
Footnotes
The above parts group applies to the following Mfg. Nos.:
1695515 - H924RX
© Copyright by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved
2008
11
TP 400-5017-01-LW-S
Wheel Group
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
1741949
The above parts group applies to the following Mfg. Nos.:
1695515 - H924RX
© Copyright by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved
2008
12
TP 400-5017-01-LW-S
Wheel Group
PART NO. DESCRIPTION REF NO QTY.
SHAFT, AXLE 650 1501562YZMA 1
SPRKT & HUB 652 1501089MA 1
SCREW, 1/4-20 x 1.75 653 01X193MA 1
NUT, 1/4-20 HEX NYLOCK 654 15X145MA 1
BEARING, AXLE 655 1501114MA 1
WASHER, FLAT 671 017X83MA 2
BUSHING, WHEEL 673 1501139MA 2
TIRE & RIM 675 580349MA 1
SCREW, 1/4-20X1.75 HH 676 577015MA 1
RING, RET 678 239MA 1
PIN, KLIK .25 X 1.38 DIA 679 73842MA 1
Footnotes
The above parts group applies to the following Mfg. Nos.:
1695515 - H924RX
© Copyright by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved
2008
13
TP 400-5017-01-LW-S
Decals Group
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
1742207
The above parts group applies to the following Mfg. Nos.:
1695515 - H924RX
© Copyright by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved
2008
14
TP 400-5017-01-LW-S
Decals Group
PART NO. DESCRIPTION REF NO QTY.
DECAL, Gear Select 1 1737053YP 1
DECAL, ISO Chute CE 3 1742213YP 1
DECAL, 104db CE 4 48X5386MA 1
DECAL, Face, Head Phones 5 304427MA 1
DECAL, Model Number 6 1742240YP 1
DECAL, ISO Auger CE 7 1742212YP 1
DECAL, Traction, Auger 8 48X5605MA 1
DECAL, Belt Adjustment 9 5131MA 1
DECAL, Clean & Clear Brush 10 48X5960MA 1
DECAL, Danger, Chute 11 1740979MA 1
DECAL, Simplicity Swoosh 12 1735113SM 1
DECAL, Simplicity Stripe 13 1733071SM 1
OWNER’S MANUAL * -- 1742227 1
Footnotes
Note* Not a serviceable part.
The above parts group applies to the following Mfg. Nos.:
1695515 - H924RX
© Copyright by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved
2008
15
TP 400-5017-01-LW-S
Chute Rod Group
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
1741718
The above parts group applies to the following Mfg. Nos.:
1695515 - H924RX
© Copyright by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved
2008
16
TP 400-5017-01-LW-S
Chute Rod Group
PART NO. DESCRIPTION REF NO QTY.
ASSEMBLY, YOKE & ROD 852-1 1501533YZMA 1
SPRING 852-2 164X37MA 1
GEAR, CHUTE ROTATION 9T 852-3 1501067MA 1
WASHER 852-4 017X48MA 1
PIN, COTTER 852-5 579493MA 1
BRACKET, CHUTE GEAR 852-6 1740591AYP 1
PIN, HAIR 852-7 1501293MA 1
ASSEMBLY, YOKE ADAPTER YZ 852-8 1501075YZMA 1
PIN, HAIR 852-9 711682MA 1
PIN, UNIVERSAL JOINT 852-10 578060MA 1
PIN, CLEVIS 852-11 578309MA 1
HOUSING, UNIVERSAL 852-13 578063MA 1
KNOB, SLEEVE 854 51443MA 1
FLATWASHER 855 309312MA 1
NUT, PUSH ON 3/8" 856 73664MA 1
EYE BOLT 3/8-16X6.50 860 1501456MA 1
GROMMET, EYE BOLT 861 148MA 1
NUT, 3/8-16 HEXJAM 863 71045MA 1
FLATWASHER .406X.81X.066 864 71072MA 1
NUT, 3/8-16 HEXNYL 867 71046MA 1
BOLT, CARRIAGE 1/4-20 X 1.00 868 02X101MA 1
NUT, 1/4-20 869 15X145MA 1
CRANK, ASSY CHUTE 870 1501074YZMA 1
Footnotes
The above parts group applies to the following Mfg. Nos.:
1695515 - H924RX
© Copyright by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved
2008
17
TP 400-5017-01-LW-S
Control Panel Group
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
1742206
The above parts group applies to the following Mfg. Nos.:
1695515 - H924RX
© Copyright by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved
2008
18
TP 400-5017-01-LW-S
Control Panel Group
PART NO. DESCRIPTION REF NO QTY.
PANEL 770 1740930CYP 1
BOLT, Carriage, 25-20 X 1-1/2" 771 002X99MA 4
WASHER 772 71067MA 4
NUT 773 15X145MA 4
Footnotes
The above parts group applies to the following Mfg. Nos.:
1695515 - H924RX
© Copyright by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved
2008
19
TP 400-5017-01-LW-S
Discharge Chute Group
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
1742205
The above parts group applies to the following Mfg. Nos.:
1695515 - H924RX
© Copyright by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved
2008
20
TP 400-5017-01-LW-S
Discharge Chute Group
PART NO. DESCRIPTION REF NO QTY.
CHUTE ASSEMBLY 580 1736380CYP 1
WING KNOB 597 1501260MA 1
BOLT, 5/16-18 X .75 599 1931333SM 1
BOLT, 5/16-18 X 1.00 601 2X100MA 1
WASHER, Flat 602 71071MA 1
NUT, Hex, Nylock, 5/16-18 603 71038MA 1
CHUTE Collar 606 1501932YZMA 1
SCREW, 1/4-20 X 0.75 607 02X101MA 1
NUT, 1/4-20 Hex Nylock 609 15X145MA 1
RING, Retainer, Inner 610 1741917YP 1
RING, Retainer, Outer 611 1501282MA 1
CAPSCREW, Hex-Flange, 1/4-20 x .75 613 1935450SM 4
NUT, Hex, Nylock Flange, 1/4-20 614 5025391SM 4
WASHER, Nylon 616 2860210SM 1
GUARD, Chute 617 1733475SM 1
BRACKET, Chute Guard 618 1733967AYP 1
NUT, Push 619 1960140SM 2
SCREW, Hex-Washer, Taptite, 1/4-20 X 1/2" 620 1925003SM 2
Footnotes
The above parts group applies to the following Mfg. Nos.:
1695515 - H924RX
© Copyright by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved
2008
21
TP 400-5017-01-LW-S
Drive Group
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
1740818
The above parts group applies to the following Mfg. Nos.:
1695515 - H924RX
© Copyright by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved
2008
22
TP 400-5017-01-LW-S
Drive Group
PART NO. DESCRIPTION REF NO QTY.
LF AXLE, SWING PLATE YZ 200 1501092YZMA 1
CHAIN, ROLLER #420x19.00 201 579851MA 1
BEARING AND RETAINER, ASSY 203 334163MA 1
WASHER 204 579858MA 1
SCREW, TAP 5/16-18 x 0.5 206 25X020MA 1
ASSY, HEX SHAFT 207 1501236MA 1
CHAIN, ROLLER #420x18.00 LG 208 579868MA 1
BEARING, TRUNION CLUTCH R 210 337029MA 1
WHEEL, FRICTION DISC 212 1501435MA 1
BOLT 213 001X38MA 3
NUT, KEPS HEX 1/4-20 215 303008MA 3
RING, RETEXT 217 1733326SM 1
WASHER 218 579858MA 4
BEARING AND RETAINER, ASSY 220 334163MA 4
SCREW, TAP 5/16-18 x .5 221 25X020MA 8
FRICTION PULLY 223 1501115MA 1
LF PLATE, SWINGING YZ 225 1501057YZMA 1
SPACER, FRICTION PULLEY 226 1501158MA 1
NUT, FLANGE LOCK 3/8-24 227 15X114MA 1
RETAINER, RING 229 11X30MA 4
ASSY, LF SPRING LINK YZ 230 1502105YZMA 1
RETAINER, RING 232 11X30MA 1
SPRING, EXTENSION 234 1736469YP 3
WLD, INTERMED SPROCKET 33T/7 236 1501237MA 1
WASHER, FLAT 238 71074MA 2
Footnotes
The above parts group applies to the following Mfg. Nos.:
1695515 - H924RX
© Copyright by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved
2008
23
TP 400-5017-01-LW-S
Gear Case Group
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
1741617
The above parts group applies to the following Mfg. Nos.:
1695515 - H924RX
© Copyright by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved
2008
24
TP 400-5017-01-LW-S
Gear Case Group
PART NO. DESCRIPTION REF NO QTY.
CASE, GEAR, RH 300 10577MA 1
CASE, GEAR, LH 301 10576MA 1
SCREW,1/4-20X.75 303 710025MA 7
NUT,1/4-20 304 15X143MA 7
SCREW, 3/8-16 x 0.50 306 9344MA 1
SEAL, OIL 310 9566MA 1
BEARING, FL 311 50304MA 1
WASHER, FLAT 312 48275MA 1
SHAFT, AUGER OUTPUT 313 1501189MA 1
GASKET, GEAR BOX 314 51279MA 1
GEAR, WORM 315 51405MA 1
KEY, WOODRUFF #61 316 431787MA 1
BRNG, FL 320 50221MA 1
SHAFT, AUGER INPUT (IMPELLER) 321 1501191MA 1
COLLAR, THRUST 322 580295MA 1
PIN, SPRING 323 454565MA 1
WASHER, FLAT 324 48275MA 4
BRNG, ROLL 325 50684MA 1
BRNG, FL 326 50304MA 3
SEAL, OIL 327 9566MA 3
IMPELLER 340 1501188E701MA 1
PIN, SPRING 341 454565MA 3
10oz TUBE LUBRIPLATE (Not Illustrated) -- 333431MA 1
Footnotes
The above parts group applies to the following Mfg. Nos.:
1695515 - H924RX
© Copyright by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved
2008
25
TP 400-5017-01-LW-S
Shift Group
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
1740953
The above parts group applies to the following Mfg. Nos.:
1695515 - H924RX
© Copyright by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved
2008
26
TP 400-5017-01-LW-S
Shift Group
PART NO. DESCRIPTION REF NO QTY.
ROD, SHIFT 790 1740946AYP 1
SCREW, 1/4-20X.75 791 302628MA 1
NUT, 1/4-20 792 73826MA 1
KNOB, SLIP 796 331624MA 1
LEVER, SPRING 800 760564MA 1
SCREW, 1/4-20X.75 801 302628MA 1
NUT, 1/4-20 802 73826MA 1
BEARING, FLANGED 811 579944MA 1
ROD ASSY., SPEED SELECT 812 1501085YZMA 1
RETAINER, RING 813 11X30MA 1
WASHER 814 579858MA 1
Footnotes
The above parts group applies to the following Mfg. Nos.:
1695515 - H924RX
© Copyright by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved
2008
27
TP 400-5017-01-LW-S
Hardware Identification & Torque Specifications
0
1/4 3/4
1/2
2 1
1/4 3/4
1/2
1/4 3/4
1/2
1/4 3/4
1/2
4
Torque Specification Chart
FOR STANDARD METRIC MACHINE HARDWARE (Tolerance ± 20%)
Property
Class
Size Of
Hardware
M3
M4
M5
M6 7.3 10.3 12.1
M7 12.1 16.9 19.9
M8 17.7
M10 35 50
M12 61 86.2 103 140
M14
M16 147 210 250 340
M18 202 287 346 470
M20 290 405 486 660
M22 390 559 656 890
M24 497
M27 733 1032 1239 1680
M30 995 1401 1681 2280
M33
M36 1740 2441
M39 2249 3163
The guides and ruler furnished below are designed to
help you select the appropriate hardware.
01 0
Nut, M8
Thread
Diameter (mm)
Inside
Diameter (in)
Nut, 1/2-16
Class 5.6
in/lbs
ft/lbs
5.88
13.44
26.4
44.64
5.2
7.7
15
26
42
64
89
126
169
217
320
435
590
759
988
20
5.6
Nm. Nm. Nm.
.56
1.28
2.50
4.3
7.1
10.5
21
36
58
88
121
171
230
295
435
590
800
1030
1340
30
8.8
Class 8.8
in/lbs
ft/lbs
13.44 1.80
30.72 43.44 52.56
60.96
Class 10.9
in/lbs
ft/lbs
19.2 22.92
1.28
2.90
5.97 7.15
5.75
9.9
16.5
24
48
83
101
136 162 220
132
200
275
390
530
708
375
995
1350
1349
1902 2278 3090
1830
2360
3050
50
60
Body Length
40
Screw, M8- 1.25 x 25
Thread
Diameter (mm)
Threads
per inch
Body
Diameter
Screw, 1/2- 16 x 2
10.9
4.10
8.10
14
23
25
34
67
117
185
285
390
550
745
960
1400
1900
2580
3310
4290
80
Diameter
Distance between
threads (mm)
Threads
per inch
3
12.9
Class 12.9
in/lbs
ft/lbs
29
59
840 1140
2935 3980
3798
Body
Nm.
2.15
4.95
9.7
16.5
27
40
81
5150
90 100 70
Body
Length (mm)
Body
Length (in)
Torque Specification Chart
FOR STANDARD MACHINE HARDWARE (Tolerance ± 20%)
Hardware
Grade
Size Of
Hardware ft/lbs Nm. ft/lbs Nm. ft/lbs Nm.
8-32
8-36
10-24
10-32
1/4-20
1/4-28
5/16-18 11 15.0 17 23.1 25 34.0
5/16-24 12 16.3 19 25.8 29 34.0
3/8-16 20 27.2 30 40.8 45 61.2
3/8-24 23 31.3 35 47.6 50 68.0
7/16-14 30 40.8 50 68.0 70 95.2
7/16-20 35 47.6 55 74.8 80 108.8
1/2-13 50 68.0 75 102.0 110 149.6
1/2-20 55 74.8 90 122.4 120 163.2
9/16-12 65 88.4 110 149.6 150 204.0
9/16-18 75 102.0 120 163.2 170 231.2
5/8-11 90 122.4 150 204.0 220 299.2
5/8-18 100 136 180 244.8 240 326.4
3/4-10 160 217.6 260 353.6 386 525.0
3/4-16 180 244.8 300 408.0 420 571.2
7/8-9 140 190.4 400 544.0 600 816.0
7/8-14 155 210.8 440 598.4 660 897.6
1-8 220 299.2 580 788.8 900 1,244.0
1-12 240 326.4 640 870.4 1,000 1,360.0
1. These torque values are to be used for all hardware
excluding: locknuts, self-tapping screws, thread forming
screws, sheet metal screws and socket head setscrews.
2. Recommended seating torque values for locknuts:
a. for prevailing torque locknuts - use 65% of grade 5
b. for flange whizlock nuts and screws - use 135% of
3. Unless otherwise noted on assembly drawings, all torque
values must meet this specification.
Common Hardware Types
Hex Head Capscrew
SAE Grade 2 SAE Grade 5 SAE Grade 8
in/lbs in/lbs
19
20
27
31
66
76
2.1
2.3
3.1
3.5
30
31
43
49
7.6 8 10.9 12 16.3
8.6 10 13.6 14 19.0
in/lbs
3.4
3.5
4.9
5.5
NOTES
torques.
grade 5 torques.
41
43
60
68
Washer
4.6
4.9
6.8
7.7
Standard Hardware Sizing
When a washer or nut is identified as 1/2” (M8), this is
Nominal size
the
(8mm metric thread diameter); if a second number is present
it represents the
When bolt or capscrew is identified as 1/2 - 16 x 2” (M8 - 1.25 x 50 ),
this means the
metric thread diameter), the second number,16, represents the
threads per inch, (1.25 thread diameter).
body length of the bolt or screw, 2 inches (50mm).
, meaning the
threads per inch
Nominal size
inside diameter
is 1/2 inch
(distance between threads).
, or body diameter is 1/2 inch (8mm
The final number is the
Carriage Bolt
Wrench & Fastener Size Guide
1/4” Bolt or Nut
Wrench—7/16”
M6 Bolt or Nut
Wrench—10mm
5/16” Bolt or Nut
Wrench—1/2”
M8 Bolt or Nut
Wrench—13mm
3/8” Bolt or Nut
Wrench—9/16”
M10 Bolt or Nut
Wrench—17mm
7/16” Bolt or Nut
Wrench (Bolt)—5/8”
Wrench (Nut)—11/16”
M12 Bolt or Nut
Wrench—19mm
Lockwasher
Hex Nut
1/2” Bolt or Nut
Wrench—3/4”
M14 Bolt or Nut
Wrench—22 mm
IT IS THE POLICY OF BRIGGS & STRATTON CORP. TO IMPROVE ITS PRODUCTS
WHENEVER IT IS POSSIBLE AND PRACTICAL TO DO SO. WE RESERVE THE RIGHT TO
MAKE CHANGES OR ADD IMPROVEMENTS AT ANY TIME WITHOUT INCURRING ANY
OBLIGATION TO MAKE SUCH CHANGES ON PRODUCTS.
Briggs & Stratton Yard Power Products Group
3515 N. 124 Street / PO Box 702
Wauwatosa, WI 53222 USA
www.simplicitymfg.com
© Copyright by Briggs & Stratton Corporation
Milwaukee, WI, USA. All rights reserved
2008