Bumpers

Urethane Die – Set Bumpers

  • Manufactured using compounds to assure performance
  • Stock Lengths are 4″ in Length
  • Longer Bumpers are available in 1″ increments
  • Stock Hardness is 90 Shore A (Red)
  • Other Hardnesses are available

Advantages of Die Bumpers:

  • Reduce snap through impact load
  • Relieve strain on gibs
  • Lower Noise Level
  • Reduce Die Spring Failure
  • Extend Die Spring life
  • Extend Tool Life
  • Function as Stripper Strings for the whole Die Set
  • Die Storage Blocks
Part Number Diameter Length Load for 1/8″ Deflection
MECH-2040 2″ 4″ 320 Lbs
MECH-3040 3″ 4″ 740 Lbs
MECH-4040 4″ 4″ 1380 Lbs

Advantages of Die Bumpers:

Part Number Diameter Length Bolt Size
MECH-1010 1″ 1″ 1/4″ – 20 X 1″ L
MECH-1212 1-1/4″ 1-1/4″ 1/4″- 20 X 1″ L
MECH-1515 1-1/2″ 1-1/2″ 3/8″ – 16 x 1″ L
MECH-2020 2″ 2″ 1/2″ – 13 x 1″ L
MECH-3030 3″ 3″ 1/2″ – 13 x 1″ L

Threaded Urethane Bumpers with Metal Core

Our threaded bumpers have a tough, solid core surrounded by a rubber exterior that withstands impact. They are often used to guard, align, and position parts on automated machinery. Plus they’re threaded so they’re easy to install and remove. Male thread bumpers and male thread hex shoulder bumpers have a rigid stud made of steel for fastening into any surface.

Medium-soft bumpers are about as hard as a pencil eraser. Hard bumpers are about as hard as a shoe heel.

Polyurethane bumpers are abrasion resistant and non-staining. For indoor and outdoor use. Temperature range is -65 degree to +200 degree F, unless noted Color is red.

Dia. (A) Proj. (B) Thread Size Thread Lg. (C) Rubber Thick
Female Thread Bumpers
3/4″ 5/8″ 10-24 1/4″ 3/32″
3/4″ 5/8″ 10-32 1/4″ 3/32″
3/4″ 5/8″ 1/4″-20 1/4″ 3/32″
3/4″ 5/8″ 1/4″-28 1/4″ 3/32″
3/4″ 5/8″ 5/16″-18 1/4″ 3/32″
3/4″ 5/8″ 5/16″-24 1/4″ 3/32″
11/4″ 11/4″ 3/8″-16 1/2″ 1/4″
11/4″ 11/4″ 3/8″-24 1/2″ 1/4″
11/4″ 11/4″ 7/16″-20 1/2″ 1/4″
11/4″ 11/4″ 1/2″-13 1/2″ 1/4″
11/4″ 11/4″ 1/2″-20 1/2″ 1/4″
11/4″ 11/4″ 5/8″-18 1/2″ 1/4″
13/4″ 15/8″ 5/8″-11 5/8″ 3/38″
13/4″ 15/8″ 5/8″-18 5/8″ 3/38″
21/4″ 21/4″ 3/4″-10 1″ 3/38″
21/4″ 21/4″ 3/4″-16 1″ 3/38″
21/4″ 21/4″ 1″-8 1″ 3/38″
3″ 23/4″ 1″-8 11/4″ 11/4″
3″ 23/4″ 11/4″-12 11/4″ 11/4″

Rectangular Bumpers with Metal Plate

A 1/8″ thick metal plate is bonded to the base of these bumpers for added reinforcement. They are often used to guard, align, and position parts. Bumpers have drilled unthreaded (through) holes to accommodate a mounting bolt (not included), unless noted. They’re hard like a shoe heel. Bumpers with an aluminum base plate offer the best corrosion resistance.

Polyurethane bumpers have excellent abrasion resistance and are non staining. For indoor and outdoor use. Temperature range is -65 degree to +200 degree F. Durometer=80A, Color= Red.

Lg. (A) Wd. (B) Proj (C) Mounting Holes
Ctr. – to Ctr.(D)
Counterbore
Hole Dia.
Hole Dia.
Bumpers with Steel Base Plate
1 3/4″ 1″ 3/4″ 1″ 13/32″ 9/32″
2 1/2″ 5/8″ 5/8″ 1 1/2″ 13/32″ 9/32″
2 1/2″ 2″ 2″ 1 1/2″ 1/2″ 11/32″
2 1/2″ 2″ 2″ -
4″ 2 1/2″ 2″ -
4″ 2 1/2″ 2″ 3 1/4″ 5/16″-18
Bumpers with Aluminum Base Plate
1 1/2″ 1″ 3/4″ 3/4″ 13/32″ 9/32″
1 3/4″ 1″ 1 3/4″ 3/4″ 13/32″ 9/32″
3″ 1″ 1 3/4″ 1 3/4″ 9/16″ 13/32″
3″ 1 1/2″ 1″ 2″ 1/2″ 11/32″
4″ 1″ 3/4″ 1″ 13/32″ 9/32″

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