| MATERIAL | HEAD DIAMETER | THREAD DIAMETER | THREAD PITCH | ALLEN KEY SIZE |
|---|---|---|---|---|
| A2/70 STAINLESS STEEL | 7.9mm | 4mm | 0.7mm | 2.5mm |
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Home/Bolts/A2 Countersunk Socket (Allen)/M4
M4 / 4mm Diameter A2 Stainless Steel Socket Allen Countersunk Head Screws
£1.06 – £5.99