[Racks (SR)] Series list
Specifications Precision grade KHK R 001 grade 4 Surface hardness (less than HRB95)
Thermal Refined Racks
Specifications Precision grade KHK R 001 grade 4 Surface hardness HB225 - 285 Gear
Thermal Refined Ground
Specifications Precision grade KHK R 001 grade 1 Surface hardness HB225 - 285 Gear
Stainless Steel Racks
Specifications Precision grade KHK R 001 grade 5 Surface hardness (less than HB187)
Round Racks (SURO)]
Specifications Precision grade KHK R 001 grade 5 Surface hardness (less than HB187)
Round Racks (SROSROS)]
Specifications Precision grade KHK R 001 grade 4 Surface hardness (less than HRB95)
Racks with Machined Ends
Specifications Precision grade KHK R 001 grade 4 Surface hardness (less than HRB95)
Racks with Machined Ends
Specifications Precision grade KHK R 001 grade 4 Surface hardness (less than HRB95)
Racks with Machined Ends
Specifications Precision grade KHK R 001 grade 4 Surface hardness less than HRB95 Gear
Racks with Bolt Holes
Specifications Precision grade KHK R 001 grade 4 Surface hardness (less than HRB95)
Plastic Racks (PRPRF)]
Specifications Precision grade KHK R 001 grade 5 Surface hardness (HRR115 - 120) Gear
Molded Flexible Racks
Specifications Precision grade KHK R 001 grade 8 Surface hardness (HRR110 - 120) Gear
Helical Racks
Specifications Precision grade KHK R 001 grade 5 Heat treatment - Reference section of
Heat Treated Ground
Specifications Precision grade JIS B 1702-1 grade N9 (*1) Surface hardness (less than
Brass Racks (BSR)]
Specifications Precision grade KHK R 001 grade 4 Surface hardness (more than HV80)