Hispano Suiza Firewall Screw

Description

Hardened 4140 steel screw used on the firewall of Hispano Suiza J-12.

Material: 4140, heat treat grade 8
Finish: Natural
Thread: M6 x 1.0
Thread length: 10mm
OAL: 19mm
Head OD: 12mm
Head length: 3.5mm
Length under head: 15.5mm

Additional information