Description
Proto J41 is a punch made of tool steel. Cutter diam 3/8 in, 1/2 in, 5/8 in; finish Black Oxide; stock shape Hex. Available in 3 versions.
Proto J41 specifications
| Item | Proto data |
|---|---|
| Part number | J41 (size and colour versions: J4138, J4112, J4158) |
| Body Material | S2 Steel |
| Cutter Diam | 3/8 in; 1/2 in; 5/8 in |
| Finish | Black Oxide |
| Material | Tool Steel |
| Stock Shape | Hex |
| Tip Size | 3/8 in; 1/2 in; 5/8 in |
| Tip Type | Round |
| Type | Center Punch |
| Usage | Hole Locations; Metal Working Layout; Pilot Drill Starting Point |
Source: Proto published product data.
Proto® Center Punches, available in the versions listed below.
FEATURES
- Modified parabolic striking end for resistance to mushrooming and chipping
- For metal working layout such as marking intersecting lines, hole locations, and pilot drill starting points
Manufacturer item number: J4138. Select a version to see the exact item number.
Available in 3 versions:
- 4-7/8 in OAL, 3/8 in Tip Size – J4138
- 5-5/8 in OAL, 1/2 in Tip Size – J4112
- 6-1/4 in OAL, 5/8 in Tip Size – J4158
