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Insert Nuts Type A, or Knock In Insert Type A, provide a strong permanent thread for wood and wood based materials.
Originally developed for retention of speaker baffles, the coarse external tooth (barbed) push-in style of the Type A pattern ensures maximum holding power and easy installation by knocking the insert into the base material, providing good holding power in particle board and edge-grain.
Use with joint connector bolts for furniture assembly.
Available from Fastenright in Zinc Alloy from M3 to M10 in various lengths and finishes (usually Zinc or Zinc & Yellow). Other materials, diameters and lengths are available to order.
We also offer Insert Nuts for Wood Type A in UNC and UNF on a short lead time, with BSW and BSF also available to order.
| Technical Data & Availability |
|||
| Thread Diameter | Length (mm) |
Pilot Hole (mm) | Pitch (mm) |
| M3 | 5.5 | 4.1 to 4.5 | 0.50 |
| M3 | 7.0 | 4.1 to 4.5 | 0.50 |
| M3 | 9.0 | 4.1 to 4.5 | 0.50 |
| M3 | 12.0 | 4.1 to 4.5 | 0.50 |
| M4 |
8.00 | 5.6 to 6.0 | 0.70 |
| M4 | 10.00 | 5.6 to 6.0 | 0.70 |
| M5 | 8.00 | 7.1 to 7.5 | 0.80 |
| M5 | 10.00 | 7.1 to 7.5 | 0.80 |
| M5 | 13.00 | 7.1 to 7.5 | 0.80 |
| M6 | 9.00 | 8.6 to 9.0 | 1.00 |
| M6 | 10.00 | 8.6 to 9.0 | 1.00 |
| M6 | 11.00 | 8.6 to 9.0 | 1.00 |
| M6 | 13.00 | 8.6 to 9.0 | 1.00 |
| M10 | 11.00 | – | 1.50 |
