Bumpers

round-bumpers
washers
rectangular-sqaure-bumpers
Round Bumpers
These bumpers have steel cores with male or female threads. Bumpers are stocked in K-400A, K-600A, K-800A, K-900A, and K-950A.
Washers
These round bumpers have a flat washer molded into the bumper and will accept a socket head cap screw of the size indicated. Stocked in K-400A, K-600A, K-800A, K-900A, and K-950A.

Rectangular and Square Bumpers
Base is 1/8″ aluminum plate. Mounting holes are drilled and counterbored for 1/4″ socket head cap screws. Stocked in K-400A, K-1000A, K-800A, K-900A and K-950A.

Round Bumpers

 Specifications Prices
 Diagram A B Thread C Part No. 1-24 25-49 50+
round-bumper-rom

ROM – Male Thread

1″ 1″ 1/4-20 .750″ ROM-001 $3.95 $3.75 $3.60
1-1/4 1 1/4-20 .750 ROM-002 4.50 4.25 4.05
1-1/2 1-1/4 3/8-16 .875 ROM-003 5.40 5.20 5.00
2 1-1/4 3/8-16 .875 ROM-004 7.20 6.95 6.50
2-1/2 2 1/2-13 1.00 ROM-005 13.10 12.50 11.90
3 2-1/2 1/2-13 1.00 ROM-006 21.95 20.90 19.90
round-bumper-rof

ROF – Female Thread

1″ 1″ 1/4-20 ROF-001 $3.60 $3.35 $3.20
1-1/4 1 1/4-20 ROF-002 4.10 3.95 3.75
1-1/2 1-1/4 3/8-16 ROF-003 4.90 4.60 4.35
2 1-1/4 3/8-16 ROF-004 6.60 6.25 6.00
2-1/2 2 1/2-13 ROF-005 12.15 11.60 11.05
3 2-1/2 1/2-13 ROF-006 21.00 20.00 19.05

Rectangular & Square Bumpers

Specifications Prices
Diagram A B C D E Part No. 1-24 25-49 50+
rectangular-square-bumper-rec

REC – Rectangular

1″ 2″ 1/2″ 3/8″ 1-1/4″ REC-001 $4.40 $4.20 $4.00
1 2 3/4 3/8 1-1/4 REC-002 4.95 4.75 4.50
1 2 1 3/8 1-1/4 REC-003 5.40 5.20 5.00
1 2 1-1/2 3/8 1-1/4 REC-004 6.45 6.15 5.90
1-1/4 2-1/2 3/4 3/8 1-3/4 REC-005 5.95 5.60 5.35
1-1/4 2-1/2 1 3/8 1-3/4 REC-006 6.70 6.35 6.10
1-1/4 2-1/2 1-1/2 3/8 1-3/4 REC-007 8.30 7.90 7.50
1-1/2 3 3/4 1/2 2 REC-008 6.95 6.60 6.25
1-1/2 3 1 1/2 2 REC-009 8.04 7.60 7.30
1-1/2 3 1-1/2 1/2 2 REC-010 10.35 9.80 9.40
Diagram F G H I Part No. 1-24 25-49 50+
rectangular-square-bumper

SQU – Square

1″ 3/4″ 1 Hole-Center SQU-001 $3.85 $3.70 $3.50
1-1/2 1 3/8″ 3/4″ SQU-002 5.15 4.90 4.70
2 1 3/8 1-1/4 SQU-003 7.45 7.10 6.70
2-1/2 1 Hole Centers are 1/2″ from each edge. SQU-004 10.25 9.70 9.30
3 1-1/2 SQU-005 17.45 16.60 15.85
4 1-1/2 SQU-006 27.45 26.20 24.95

Washers

Specifications Prices
Diagram A B Thread C Part No. 1-24 25-49 50+
washer-ron

RON – Flat Washer

3/4″ 3/4″ 1/4″ .500″ RON-001 $2.70 $2.60 $2.45
1 1 1/4 .500 RON-002 3.40 3.25 3.10
1-1/4 1 3/8 .750 RON-003 3.90 3.70 3.50
1-1/2 1-1/4 3/8 .750 RON-004 4.80 4.50 4.30
2 1-1/4 1/2 .750 RON-005 6.40 6.15 5.90
2-1/2 2 1/2 .750 RON-006 12.00 11.40 10.90
3 2-1/2 1/2 .750 RON-007 18.80 18.00 17.10