PT13 · Grippers & Pads
Gripper Nut (Serrated End)
Threaded gripper nut with a hardened serrated tooth plate for supporting rough workpieces.
- 4 part numbers with full dimensions
- Material: S45C (JIS)
- Surface finish: black oxide

Gripper Nut (Serrated End) part numbers & dimensions
4 part numbers. All dimensions in millimetres (mm) unless noted; letters match the dimension drawing. On a phone, swipe the table sideways. Tap “Quote” to email us about a part.
Dimension drawing

Standard tooth plate
| Model No. | A | B | C | D | E | kg | Quote |
|---|---|---|---|---|---|---|---|
| PT13-1220 | M12 | 20 | 22 | 19 | 13 | 0.043 | Quote |
| PT13-1625 | M16 | 25 | 28 | 24 | 16 | 0.080 | Quote |
Extremely hard tooth plate (-K)
| Model No. | A | B | C | D | E | kg | Quote |
|---|---|---|---|---|---|---|---|
| PT13-1220-K | M12 | 20 | 22 | 19 | 13 | 0.043 | Quote |
| PT13-1625-K | M16 | 25 | 28 | 24 | 16 | 0.080 | Quote |
Material & specifications
- Material: S45C (JIS)
- Surface finish: black oxide
- Application: use for supporting workpiece
- Features: serrated
- Tooth plate (standard): SKH9 (JIS) / S18-1-2-5 (DIN), HRC 60°, black oxide
- Tooth plate (-K): extremely hard, black oxide
Ordering the Gripper Nut (Serrated End)
Send us the PT13 part numbers and quantities you need and we will reply with pricing and lead time. Not sure which size fits your fixture? Email info@clampsupply.com or call (619) 704-3113 and we will help you choose. Please confirm critical dimensions before machining your fixture.
