Helical Quenched & Tempered Ground Racks
Series MHTGQ-JIS1 Helical Quenched & Tempered Ground Racks
Quality Grade JIS 1
Material SCM440
Right Hand Angle 21°30'
Hardness: HRC 18°~22°
Total Pitch Error: Fp/1000 ≦ 0.033mm
Ground on all sides after quenching.
No Mounted Holes , Code with-N