Product Details
PTA SWIVEL CLAMPING SCREW
Material:      Body : S45C             Steel ball : SUJ2
Hardness:  Body: HRC35°         Steel ball : HRC62°


PTB SWIVEL (SHOULDER) CLAMPING SCREW
Material:         body : SCM21               steel ball : SUJ2
Hardness:     body: HRC32°~38°     steel ball : HRC62°


PTB SWIVEL (SHOULDER) CLAMPING SCREW
Material:        body : SCM21               steel ball : SUJ2
Hardness:    body: HRC32°~38°     steel ball : HRC62°


PTC GRIPPER SCREW
Material:         body : S45C         steel ball : SKH9
Hardness:     body: HRC35°     steel ball : HRC60°


PTD GRIPPER NUT
Material for PTD1/PTD2/PTD3:   body : SKH9           Hardness: HRC60°
Material for PTD4/PTD5:              body : SCM440      Hardness: HRC60°