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  • Extends disc life up to 50%.
Backing Pads for Resin Fiber Discs / Center Nuts for Backing Pads / Spanner Wrench for Backing Pads
Unit of Measure
1 

Item #

Diameter

Thread

Specification

Product Tier

Max. RPM

SK4010 N/A 4 " N/A M10 - 1.25 N/A Flexible N/A Good - High Performance N/A 15,000
SK4020 N/A 4 " N/A M10 - 1.50 N/A Flexible N/A Good - High Performance N/A 15,000
SK4050 N/A 4 " N/A 5/8 " - 11 N/A Flexible N/A Good - High Performance N/A 15,000
SK4530 N/A 4-1/2 " N/A 1/2 " - 13 N/A Flexible N/A Good - High Performance N/A 13,000
SK4540 N/A 4-1/2 " N/A M14 - 2 N/A Flexible N/A Good - High Performance N/A 13,000
SK4545 N/A 4-1/2 " N/A M14 - 2 N/A Firm N/A Good - High Performance N/A 13,000
SK4555 N/A 4-1/2 " N/A 5/8 " - 11 N/A Firm N/A Good - High Performance N/A 13,000
SK4560 N/A 4-1/2 " N/A 5/8 " - 11 N/A Medium N/A Good - High Performance N/A 13,000
SK5040 N/A 5 " N/A M14 - 2 N/A Flexible N/A Good - High Performance N/A 12,000
SK5045 N/A 5 " N/A M14 - 2 N/A Firm N/A Good - High Performance N/A 12,000
SK5050 N/A 5 " N/A 5/8 " - 11 N/A Flexible N/A Good - High Performance N/A 12,000
SK5055 N/A 5 " N/A 5/8 " - 11 N/A Firm N/A Good - High Performance N/A 12,000
SK5060 N/A 5 " N/A 5/8 " - 11 N/A Medium N/A Good - High Performance N/A 12,000
SK5065Q N/A 5 " N/A 5/8 " - 11 N/A For Quick-Spin Resin Fiber Discs N/A Good - High Performance N/A 20,000
SK7055 N/A 7 " N/A 5/8 " - 11 N/A Firm N/A Good - High Performance N/A 8,500
SK7060 N/A 7 " N/A 5/8 " - 11 N/A Medium N/A Good - High Performance N/A 8,500
SK7065Q N/A 7 " N/A 5/8 " - 11 N/A For Quick-Spin Resin Fiber Discs N/A Good - High Performance N/A 8,500
SK9050 N/A 9 " N/A 5/8 " - 11 N/A Flexible N/A Good - High Performance N/A 8,500
SK4550 N/A 4-1/2 " N/A 5/8 " - 11 N/A Flexible N/A Good - High Performance N/A 13,000
SK7050 N/A 7 " N/A 5/8 " - 11 N/A Flexible N/A Good - High Performance N/A 8,500
Unit of Measure
1