Acrotech, Inc.

Custom Urethane Manufacturing

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  • Services
  • Products
    • k-prene-urethaneK•Prene®Polyurethane
      • Round Rods
      • Precision Cast Sheets
      • Square & Rectangle Bars
      • Versa Rolls™For wheels, casters, rollers, sheaves
      • Metric Sized Products
      • Solid Urethane Balls
      • Tubes & Springs
      • Additional Tubes/Spring Sizes
    • acrotech-metalworkingMetalworkingApplications
      • Large Radius Forming
      • K•Prene Press Brake Dies
      • Acroform™ InsertsSimple & economical
      • Acro-hyde™ Urethane FilmFor Press Brake Forming
      • SurStrip™ Punch Strippers
      • Wiedeman® Punch Strippers
      • Piranha® Punch Strippers
      • Di-Acro Punch Strippers
    • acrotech-industrialIndustrial ProductsAPPLICATIONS
      • Washers, Seals & Gaskets
      • Slick Strip™ Tape
      • Bumpers
      • Metal Backed Sheets
      • K-20 Adhesive
      • Tool Holsters
      • FDA Approved Polyurethane
      • Custom Bumpers
      • Urethane Tool Holster and Hammer
    • drive-wheelsWoodworkingAPPLICATIONS
      • Urethane for the Wood Industry
      • Powerfeed Replacement Tires
      • Power Feed Tires and Reuseable Hubs
      • OEM Replacement/Recovering
      • OEM Replacement Parts
    • acrotech-automotiveAutomotiveAPPLICATIONS
      • Automotive ApplicationsSpring Rubbers
      • Automotive High PerformanceIncluding Motorcycle and snowmobiles
  • Roll Bending Machines
    • small-model-roll-bending3Benefits & Custom RollingVarious Models Available
    • LD and HD Models
    • Models 1212, 1618, 1824
    • Model V-1006
    • Roll Bending Machine Restoration
    • Art of Bending
  • Custom Urethane
    • custom-molding1Custom MoldingAPPLICATIONS
      • Industries Served
      • Roller Manufacturing
      • Roller Recovery Service
      • Custom Machining
      • Custom Urethane Colors
  • Custom Metal Rolling
  • Request A Catalog
  • Stocked Inventory
  • Stocked Durometers/Hardness
  • Compression & Deflection Charts
  • Shape Factor & Modulus of Elasticity
  • Acrotech SDS Data Sheets
  • Environmental Properties of K•Prene®
  • Oil, Chemical & Solvent Resistence
  • Additional K•Prene Properties
  • Application Chart of K•Prene
  • Machining of K•Prene
  • Physical Properties of K•Prene®
  • Metal Forming Applications Using Urethane
  • Urethane Compared with Natural & Synthetic Rubbers

Bumpers

round-bumpers
washers
rectangular-sqaure-bumpers
Round Bumpers
These bumpers have steel cores with male or female threads. Bumpers are available in 40A, 60A, 80A, 90A, and 95A.
Washers
These round bumpers have a flat washer molded into the bumper and will accept a socket head cap screw of the size indicated. Available in 40A, 60A, 80A, 90A, and 95A.

Rectangular and Square Bumpers
Base is 1/8″ aluminum plate. Mounting holes are drilled and counter bored for 1/4″ socket head cap screws. Available in 40A, 60A, 80A, 90A, and 95A.

Pricing Current as of 2020

ROM – Male Thread

 Specifications Prices
 Diagram A H C D Thread Part No. 1-49 50-99 100+

ROM – Male Thread

1″ 1″ 3/4″ 3/4″  1/4 – 20 ROM001 $4.35 $4.15 $3.95
1-1/4 1 3/4″ 3/4″  1/4 – 20 ROM002 4.95 4.70 4.45
1-1/2 1-1/4 7/8″ 7/8″ 3/8 – 16 ROM003 5.95 5.70 5.50
2 1-1/4 7/8″ 7/8″ 3/8 – 16 ROM004 7.90 7.65 7.15
2-1/2 2 1″ 1″ 1/2 – 13 ROM005 14.15 13.50 12.85
3 2-1/2 1″ 1″ 1/2 – 13 ROM006 23.70 22.60 21.50

ROF – Female Thread

 Specifications Prices
 Diagram A H C Thread Part No. 1-49 50-99 100+

ROF – Female Thread

1″ 1″ 3/4″  1/4-20 ROF001 $3.95 $3.70 $3.50
1-1/4 1 3/4″  1/4-20 ROF002 4.50 4.35 4.15
1-1/2 1-1/4 7/8″  3/8-16 ROF003 5.40 5.05 4.80
2 1-1/4 7/8″  3/8-16 ROF004 7.25 6.90 6.60
2-1/2 2 1″  1/2-13 ROF005 13.10 12.55 11.95
3 2-1/2 1″  1/2-13 ROF006 22.70 21.60 20.60

RON – Flat Washers

Specifications Prices
Diagram A H C Cap Screw Size Part No. 1-49 50-99 100+

RON – Flat Washer

3/4″ 3/4″ 1/2 1/4 RON001 $3.00 $2.85 $2.70
1 1 1/2 1/4 RON002 3.75 3.60 3.40
1-1/4 1 3/4 3/8 RON003 4.30 4.10 3.85
1-1/2 1-1/4 3/4 3/8 RON004 5.30 4.95 4.75
2 1-1/4 3/4 1/2 RON005 7.05 6.80 6.50
2-1/2 2 3/4 1/2 RON006 13.00 12.30 11.80
3 2-1/2 3/4 1/2 RON007 20.30 19.45 18.50

REC – Rectangle Bumpers

Specifications Prices
Diagram W L H A B Part No. 1-49 50-99 100+

REC – Rectangular

1″ 2″ 1/2″ 3/8″ 1-1/4″ REC001 $4.90 $4.60 $4.40
1 2 3/4 3/8 1-1/4 REC002 5.45 5.25 4.95
1 2 1 3/8 1-1/4 REC003 5.95 5.70 5.50
1 2 1-1/2 3/8 1-1/4 REC004 7.10 6.80 6.50
1-1/4 2-1/2 3/4 3/8 1-3/4 REC005 6.55 6.15 5.90
1-1/4 2-1/2 1 3/8 1-3/4 REC006 7.40 7.00 6.70
1-1/4 2-1/2 1-1/2 3/8 1-3/4 REC007 9.15 8.70 8.25
1-1/2 3 3/4 1/2 2 REC008 7.65 7.25 6.90
1-1/2 3 1 1/2 2 REC009 8.85 8.35 8.00
1-1/2 3 1-1/2 1/2 2 REC010 11.40 10.80 10.35

SQU – Square Bumpers

Specifications Prices
Diagram L-W H A B Part No. 1-49 50-99 100+


SQU – Square

1″ 3/4″ 1 Hole-Center SQU001 $4.25 $4.10 $3.85
1-1/2 1 3/8″ 3/4″ SQU002 5.70 5.40 5.20
2 1 3/8 1-1/4 SQU003 8.20 7.80 7.40
2-1/2 1 1/2 1-1/2 SQU004 11.30 10.70 10.25
3 1-1/2 1/2 2 SQU005 18.85 17.95 17.10
4 1-1/2 1/2 3 SQU006 29.65 28.30 26.95

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News + Videos

  • Easy to Use Urethane Punch Strippers with SurStrip™ December 7, 2020
  • Urethane Press Brake V-Dies Bend Metal with No Marks November 10, 2020
  • Custom V-1006 Sheet Metal Rolling Machine August 11, 2020

(800) 345-0583

K•Prene® Urethane products & services for…
Custom Molding
Standard Products
Metal Forming
The Applications Are Unlimited!

Acrotech, Inc.

980 West Lakewood Avenue
P.O. Box 466
Lake City, MN 55041
Toll Free: (800) 345-0583
Fax: (651) 345-3759

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