Groz Number Punch Set 6Mm | Punches & Chisels - Number & Letter Punches THM Champion 5/16in UNF 90Deg Spring

Champion 5/16in UNF 90Deg Spring Loaded Ball Joint

Ideal for honing

1/8" x 100mm

- Thread Sizes: M6 x 1

Groz Number Punch Set 6Mm | Punches & Chisels - Number & Letter Punches THM Champion 5/16in UNF 90Deg SpringFor Hand Held Hammer struck applications GROZ Letter and Number Stamps are manufactured from selected quality carbon steel. Punches are through induction hardened which gives durability and extended life for repeated use. The hardness at the stamping end is maintained at 58 62 HRC the striking end is tempered to 38 43 HRC. This prevents the punch from splintering during use. The striking end is chamfered to prevent breakage and accidents due to flying