Reversible Mechanics Vise
Replacement parts
Stock no. 28821
Model no. 4550R
ITEM DESCRIPTION QTY. PART NO.
1~3 Spindle and Handle Assembly, Complete 1 28821-001
1 Rubber Ring 2
2 Tommy Bar 1
3 Spindle 1
4 Spindle Spring 1 CR60-04
5 Spindle Washer 1 826Z-05
6 E-Retaining Ring 1 826Z-06
7 Moving Body 1
8/9 Jaw Insert (Set of 3) with 6 Screws 1 28821-008
10 Stationary Body 1
11 Spindle Nut 1 4500-05
12 Center Bolt 1 4500-06
13 Plate Rivet 4
14 Wilton Logo Plate 2 4500R-05
15 Base Plate 1 4500R-04
15~19 Base Plate Assembly, Complete 1 28821-015
16~19 Locking Nut Assembly (set of 2) 1 28821-016
18 Locking Pad 1 745M-07
To order parts or reach our service department, call 1-800-274-6848 Monday through Friday, 8:00 a.m. to 5:00 p.m. CST. Having the Model
Number and Serial Number of your tool available when you call will allow us to serve you quickly and accurately. Some parts are shown for
reference only, and may not be available individually.
WILTON
427 New Sanford Road
LaVergne, Tennessee 37086 Part No. M-28821
Ph.: 800-274-6848 Edition 2 03/2019
www.wiltontools.com Copyright © 2018 WILTON
IMPORTANT SAFETY INSTRUCTIONS
Misuse of vise can cause serious injury to eyes, hands, limbs, etc.
To ensure safety, vise must be set up and used properly.
Before setting up and using, read, understand, and follow all instructions as outlined below.
WARNING: This product can expose you to chemicals including lead which is known to the State of California to
cause cancer and birth defects or other reproductive harm. For more information go to http://www.p65warnings.ca.gov.
When setting up vise:
Use proper size bolts, nuts, lock and flat washers, in all base mounting holes. Never weld base of vise to any metal
object.
Only hand-tighten swivel base lock down nuts at the sides of the vise.
Never use a pipe extension to tighten lock nut handles; this can cause the handles to bend and overstress the lock down
bolts.
Make sure the bench top to which the vise is mounted is properly secured.
When using vise:
Always use vise of proper size and capacity to hold work object.
Never use a hammer, pipe extension or cheater bar on spindle handle of vise.
Never unscrew moveable jaw beyond the maximum specified opening of the vise.
Never use vise as a press for assembly or disassembly of objects.
Always wear eye and face protection when striking vise-held objects or when using power tools with a vise.
NOTE: The spindle handle (“tommy bar”) has been engineered to bend if excessive clamping pressure is applied, to
prevent potential damage to vise.
Specifications
Stock no. 28821
Model no. 4550R
Jaw width 5-1/2 in. (139.7 mm)
Maximum opening
Throat depth reversed 3-3/4 in. (95.3 mm)
Pipe jaw capacity 1/8 to 2-1/2 in. (3.2 to 63.5mm)
Net weight 48.7 lbs. (22.1 kg)
6-3/4 in. (171.5mm)
10-3/4 in. (273.1mm)
The Wilton
®
lifetime warranty is for the product’s lifetime with no end date. This warranty covers
manufacturer’s defect only and does not cover failures due directly or indirectly to misuse, abuse,
negligence or accidents, normal wear-and-tear, improper repair, alterations or lack of maintenance. For
more information, please visit wiltontools.com.
How to Get Technical Support
Please contact Technical Service by calling 1-800-274-6846. Please note that you will be asked to provide proof of initial
purchase when calling. If a product requires further inspection, the Technical Service representative will explain and assist
with any additional action needed. Wilton has Authorized Service Centers located throughout the United States. For the
name of an Authorized Service Center in your area call 1-800-274-6846 or use the Service Center Locator on the Wilton
website.
Wilton sells through distributors only. The specifications listed in Wilton printed materials and on official Wilton branded
website are given as general information and are not binding. Wilton reserves the right to effect at any time, without prior
notice, those alterations to parts, fittings, and accessory equipment which they may deem necessary for any reason
whatsoever.
NOTE: Wilton is a division of JPW Industries, Inc. References in this document to Wilton also apply to JPW Industries, Inc.,
or any of its successors in interest to the Wilton brand.
Reversible Vises
#28821, model 4550R
#28822, model 4650R
#28823, model 4800R
mounting template
1. Select circle that matches your vise model.
2. Tape paper in place. Make sure vise base will not
overhang edge of workbench when mounted.
3. Transfer the four (4) hole centers with a center punch.
Make sure underside of bolt hole locations is clear of
legs, brackets, drawers, etc.
4. Drill four (4) holes:
4550R, 4650R = 1/2” (13mm) diameter holes
4800R = 9/16” (14mm) diameter holes
5. Mount vise with four (4) hex cap bolts, 2-inches longer
than benchtop thickness. Use minimum Grade 5 bolts.
4550R, 4650R = 7/16” (11mm) diameter bolts
4800R = 1/2” (13mm) diameter bolts
6. Secure with washers and nuts.
This side (wider stance) toward edge of workbench
Stock No. Model Base Part No.
Dimension A
(in)
Dimension B
(in)
Dimension C
(in)
Dimension D
(in)
Bolt Circle
Diameter (in)
Bolt Hole
Diameter (in)
Mounting Bolt
Diameter (in)
28810
845M 744M-06
2 7/16” 2 14/16” 2 14/16” 2 7/16” 7 8/16” 1/2" 7/16"
28811 855M
745M-06
2 13/16” 3 6/16” 3 6/16” 2 13/16” 8 12/16” 1/2" 7/16"
28812 865M
745M-06
2 13/16” 3 6/16” 3 6/16” 2 13/16” 8 12/16” 1/2" 7/16"
28813 880M
748M-06
3 5/16” 3 15/16” 3 15/16” 3 5/16” 10 5/16” 11/16" 5/8"
28814 8100M
748M-06
3 5/16” 3 15/16” 3 15/16” 3 5/16” 10 5/16” 11/16" 5/8"
21300 744 21300-09
2 3/16” 2 14/16” 3 1/16” 2 7/16” 7 8/16” 9/16" 1/2"
21400 745 1011980
2 9/16” 3 5/16” 3 9/16” 2 13/16” 8 12/16” 11/16" 5/8"
21500 746 21500-09
2 13/16” 3 12/16” 4 ” 3 2/16” 9 12/16” 11/16" 5/8"
21800 748 1010840
2 13/16” 3 12/16” 4 ” 3 2/16” 9 12/16” 11/16" 5/8"
63187 1550/745 YEL. 1012060
2 9/16” 3 5/16” 3 9/16” 2 13/16” 8 12/16” 11/16" 5/8"
63188 1560/746 YEL. 1013060
2 13/16” 3 12/16” 4 ” 3 2/16” 9 12/16” 11/16" 5/8"
63300 WS4 310046WA
2 4/16” 2 4/16” 2 4/16” 2 4/16” 6 5/16” 9/16" 1/2"
63301 WS5 310056WA
2 8/16” 2 8/16” 2 8/16” 2 8/16” 7 ” 9/16" 1/2"
63302 WS6 310066WA
2 11/16” 2 11/16” 2 11/16” 2 11/16” 7 9/16” 9/16" 1/2"
63304 WS8 310086WA
3 2/16” 3 2/16” 3 2/16” 3 2/16” 8 13/16” 9/16" 1/2"
28818
674U 674U-05
1 14/16” 2 4/16” 2 4/16” 1 14/16” 5 14/16” 7/16" 3/8"
28819
675U 675U-05
2 1/16” 2 8/16” 2 8/16” 2 1/16” 6 7/16” 1/2" 7/16"
28820
676U 744M-06
2 7/16” 2 14/16” 2 14/16” 2 7/16” 7 8/16” 1/2" 7/16"
28815 656UHD
656W-05
3 2/16” 3 11/16” 3 11/16” 3 2/16” 9 11/16” 1/2" 7/16"
28816 648UHD
648W-05
3 2/16” 3 12/16” 3 12/16” 3 2/16” 9 12/16” 11/16" 5/8"
11126 D4/674 2900710
2 ” 2 ” 2 3/16” 1 13/16” NA 7/16" 3/8"
11127 D5/675 2900720
2 1/16” 2 1/16” 2 8/16” 2 ” NA 7/16" 3/8"
11128 D6/676 2900730
2 7/16” 2 7/16” 2 14/16” 2 5/16” NA 7/16" 3/8"
191 656
2656002
3 8/16” 3 8/16” 3 8/16” 3 8/16” 10 ” 5/8" 1/2"
11800 648 2648004
3 7/16” 3 7/16” 3 7/16” 3 7/16” 9 12/16” 11/16" 5/8"
28821 4550R
4500R-04
2 13/16” 3 6/16” 3 6/16” 2 13/16” 8 12/16” 1/2" 7/16"
28822 4650R
4600R-03
2 13/16” 3 6/16” 3 6/16” 2 13/16” 8 12/16” 1/2" 7/16"
28823 4800R
4800R-04
3 ” 3 9/16” 3 9/16” 3 ” 9 4/16” 9/16" 1/2"
14500 4500 11206S03
3 2/16” 3 2/16” 3 2/16” 3 2/16” 8 14/16” 9/16" 1/2"
14600
4600
11206S03
3 2/16” 3 2/16” 3 2/16” 3 2/16” 8 14/16” 9/16" 1/2"
14800
4800
14800S07
3 2/16” 3 2/16” 3 2/16” 3 2/16” 8 13/16” 9/16" 1/2"
28824 550P
550P-07
2 2/16” 2 9/16” 2 9/16” 2 2/16” 6 11/16” 1/2" 7/16"
69999 Multi-Purpose 5 n/a
2 7/16” 2 7/16” 2 7/16” 2 7/16” 6 14/16” 1/2" 7/16"
11104
89100 NA 2 9/16” 2 9/16” 2 9/16” 2 9/16” 5 2/16” 3/8" 5/16"
11105
89125 NA 3 5/16” 3 5/16” 3 5/16” 3 5/16” 6 10/16” 7/16" 3/8"
11106
89150
NA 3 14/16” 3 14/16” 3 14/16” 3 14/16” 7 12/16” 1/2" 7/16"
Multi-
Purpose
General
Purpose
Bench Vise Mounting Dimensions
Mechanics
Pro
Mechanics
Shop
Utility / Utility HD
Reversible
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