| Bushing Type | Head Press Fit |
| Concentricity Tolerance | .0003" T.I.R. Max |
| Decimal Equivalent | 0.2770 |
| Drill Bushing Wall Type | Thin Wall |
| Drill Size, Inside Dia. | J |
| Finish, Head Material, Material - Machining | High Speed Steel |
| Hardness, Rockwell Hardness | Rc 62-64 |
| Head Dia. | 9/16 in |
| Head Thickness | 3/32" |
| Heat Treatment | Through Hardened |
| Inside Dia. Tolerance | +0.0001 in /+0.0005 in |
| Item | Headed Press-Fit Drill Bushing (H) |
| Length under Head | 5/16" |
| Material | 52100 Thru Hardened |
| Measurement System | Letter |
| Outside Dia. | 7/16 in |
| Outside Dia. Tolerance | +0.0017 in /+0.0014 in |
| Overall Length | 5/16 in |
| Size - Decimal | H - 0.2660 |
| Size- Decimal | J (0.2770) |