Original Makita hex‑socket head bolt, part number 922241‑7 (AN451‑T2) — M5 × 25 mm hex socket head cap screw, the same fastener used in Makita service parts diagrams for nailers and handheld tools.
This genuine Makita bolt is the replacement fastener shown in Makita parts lists (example: AG090 pneumatic nailer parts diagram lists 922241‑7 as H.S.H. BOLT M5×25) and appears on fitment lists for other Makita models such as AG125 and AN451 and many handheld models across Makita’s lineup. Use it wherever an M5×25 hex‑socket cap screw is specified in your tool’s parts breakdown.
Simple install: 5 mm thread diameter, 25 mm length — fits into M5 threaded holes and is tightened with a 3 mm (approx.) hex key/socket for the internal drive. If your parts diagram or exploded view shows 922241‑7, this is the original Makita replacement bolt you need.
Jump straight to the Makita spare parts diagrams:
