Changes in Locating Pins





Differences New (Hard turned) Old (Soft turned)
More polished appearance on machined surfaces
No center hole
Different undercut size and shape
Visual Difference in where machining begins for Spherical or Round Tapered Head




Products that Changed by the Hard Turned Process
General Material 01 Tool Steel, Stainless steel 440C
Surface treatment No coating
General shape Large head, small head, and straight
Shank specifications Diameter (D) 3 mm to 16 mm (and Nominal)
Longitude (L) Minimum 5 mm (and Nominal)
Shank style Press-fit
Head specifications Diameter (P in drawing) 2 mm to 16 mm (and Nominal)
Longitude (B) Minimum 2 mm (and Nominal)
Head tips shape Conical, Flat, Spherical, Radius, Conical Radius, and Tapered Round
Head shape Round and diamond
Overall lenght Diameter Maximum lenght
< 6mm 24.8 mm
> 6 mm and < 8 mm 32.8 mm
> 8 mm and < 10 mm 40.8 mm
> 10 mm and < 12 mm 48.8 mm
> 12 mm and < 16 mm 64.8 mm
Alterations Taper angle: A(°)
DKM, DKP, DKG, DKH, GDC, PM, PP, PG, PH