Next: Insert Nuts For Wood Type B 
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Insert Nuts 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 stock 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.
| Insert Nut For Wood Type A – Knock In Insert Type A |
|||
| 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 |
