Strengthen soft materials
Creates threads for wire inserts used to increase fastening strength in softer materials.
Cover common metric sizes
Offers ISO metric coarse sizes from M2.5 through to M20 for insert-thread preparation.
Match the required standard
Uses DIN 371 dimensions for smaller sizes and DIN 376 dimensions for larger sizes.
| SKU | Size | Pitch (mm) | Thread length (mm) | Overall length (mm) | Neck length (mm) | Shank dia. (mm) | Square size (mm) | Square length (mm) | Flutes | Tapping drill dia. (mm) | Stock | Price | Qty | Add |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TC973176 | M2.5 | 0.45 | 11.0 | 56.0 | 18.0 | 3.5 | 2.7 | 6.0 | 3 | 2.65 | 5 days | $35.80 | ||
| TC973206 | M3 | 0.5 | 10.0 | 63.0 | 21.0 | 4.5 | 3.4 | 6.0 | 3 | 3.15 | 5 days | $28.00 | ||
| TC973226 | M3.5 | 0.6 | 14.0 | 70.0 | 25.0 | 6.0 | 4.9 | 8.0 | 3 | 3.7 | 5 days | $32.30 | ||
| TC973246 | M4 | 0.7 | 13.0 | 70.0 | 25.0 | 6.0 | 4.9 | 8.0 | 3 | 4.2 | 5 days | $19.80 | ||
| TC973286 | M5 | 0.8 | 13.0 | 80.0 | 30.0 | 6.0 | 4.9 | 8.0 | 3 | 5.25 | 5 days | $30.00 | ||
| TC973316 | M6 | 1 | 17.0 | 90.0 | 35.0 | 8.0 | 6.2 | 9.0 | 3 | 6.3 | 5 days | $30.00 | ||
| TC973366 | M8 | 1.25 | 18.0 | 100.0 | 39.0 | 10.0 | 8.0 | 11.0 | 3 | 8.4 | 5 days | $34.90 | ||
| TC973426 | M10 | 1.5 | 22.0 | 110.0 | 44.0 | 9.0 | 7.0 | 10.0 | 3 | 10.4 | 5 days | $48.10 | ||
| TC973506 | M12 | 1.75 | 26.0 | 110.0 | 44.0 | 11.0 | 9.0 | 12.0 | 3 | 12.5 | 5 days | $60.80 | ||
| TC973656 | M18 | 2.5 | 32.0 | 140.0 | 54.0 | 18.0 | 14.5 | 17.0 | 4 | 18.75 | 5 days | $136.00 | ||
| TC973706 | M20 | 2.5 | 24.0 | 160.0 | 60.0 | 18.0 | 14.5 | 17.0 | 4 | 20.75 | 5 days | $161.80 |
Add (TC973) HSS-E (M35) Metric Screw Thread Gun Point Tap to comparison
View Comparison- Overview
- Specifications
- Reviews
YG-1 TC973 is a bright metric screw thread insert tap for creating ISO metric coarse insert threads. Designed for wire insert threads, it supports increased fastening strength in soft materials. The TC973 range covers metric sizes from M2.5 × 0.45 through M20 × 2.5. Sizes M2.5 to M8 follow DIN 371, while M10 to M20 follow DIN 376. Each listed variant uses a bright finish and a 3.0×D hole type. Three flutes are specified through M12, with four flutes on M18 and M20. This machine tap prepares holes for wire inserts in practical fastening applications. It provides a defined platform for insert-thread work in soft materials.
- ISO metric coarse screw thread insert tap
- Supports wire inserts for increased fastening strength in soft materials
- Bright finish across the listed TC973 range
- Metric sizes from M2.5 × 0.45 to M20 × 2.5
- DIN 371 sizes M2.5 to M8 and DIN 376 sizes M10 to M20
- 3.0×D hole type with three or four flutes by size
No specifications available.