| Specification |
|---|
| Manufacturer | Penn Engineering |
| Manufacture's Part No. | CSOS-M4-12 |
| Type | CSOS |
| Thread Size | M4X0.7 |
| Thread Code | M4 |
| Length Code | 12 |
| Style | #3 |
| Shank Type | Long |
| Material | 300 Series Stainless Steel |
| Finish | Passivated and/or Tested Per ASTM A380 |
| Length | 12 mm +0.05 –0.13 |
| For Use In Sheet Hardness | HRB 70 / HB 125 or Less |
| Min. Sheet Thickness | 2.40 mm |
| Hole Size in Sheet | 7.92 mm +0.08 |
| A | 1.83 mm Max. |
| B | 6.23 mm Max. |
| C | 7.9 mm Max. |
| H | 8.74 mm Nom. |
| Min. Dist. Hole Centerline To Edge | 6.40 mm |
| Thread Specification | Internal, ANSI / ASME B1.13M, 6H |
| Blind Mounting Hole Diameter | 7.92 mm + 0.08 |
| Min. Depth of Blind Hole | 1.91 mm |
| Thread Min. Depth | 6.5 mm |
| Special Note 1 | 1 Blind mounting holes may be deeper than minimums except where sheet material is at or near minimum thickness. Fasteners should always be installed so the flange is flush with the surface of the sheet. |
| Special Note 2 | 2 If standoff is used as a bushing, the hole in attached part must not exceed “B” plus .020” / 0.51 mm. |
