1. Product: CHIPBOARD SCREW, TAPPING SCREW, DRYWALL SCREW, MACHINE SCREW
2. MATERIAL : 18-8/S 410S/S STAINLESS STEEL , 316 STAINLESS STEEL , STEEL .
| Dimensional Inspection | ||
| (Length Measurement) | ||
| Description | Range | Standard |
| Threads | ||
| Thread ring gages | #4-3/4"/M3-M16 | ASME B1.3M/ ASME B1.13M |
| Thread plug gages | #3-1/1/4 / M25-M24 | ASME B1.3M/ ASME B1.13M |
| Plain plug gages | #3-1/1/4 / M25-M24 | ASME B1.3M/ ASME B1.13M |
| Thread indicator gages | #4-3/4" | ASME B1.3M |
| (Extemal threads) | M3-M16 | ASME B1.13M,ISO 1502 |
| Thread indicator gages | #3-1/1/4 | ASME B1.3M |
| (Intemal threads) | M25-M24 | ASME B1.13M,ISO 1502 |
| Linear Measurements | ||
| Outside Micrometer | 0-25,25-50mm | CNS B6025 |
| Calipers | 0-150mm | CNS B6026 |
| Linear,Angle and Radius | ||
| Optical Comparators | x10,x20 | CNS B6086 |
| Recess check | ||
| Recess penetration | Phil.#1-#4/Pozi. #1#4/Square | ASME B18.6.4 |
| Flat Head | ||
| Protrusion height | .0780-.7390 | ASME B18.6.3,B18.6.4 |