Proto Standard Arm Hex Key - 5/64" J46105-SBD

Proto's professional-grade 5/64" standard arm hex key, meticulously engineered for high-torque industrial and mechanical applications. This L-style key is forged from premium alloy steel and heat-treated to provide the perfect balance of hardness and ductility, preventing breakage and ensuring long-term reliability. Its precision-machined tips offer a superior fit into hex fasteners, while the standard arm length provides the necessary clearance and leverage for a wide range of maintenance tasks.
Key Features
Sized at 5/64" for precise engagement with standard fractional hex socket fasteners.
Constructed from heat-treated alloy steel for maximum strength and resistance to stripping.
Industrial black oxide finish provides excellent corrosion protection and durability in harsh environments.
Standard arm length offers a versatile profile for accessing tight spaces without sacrificing leverage.
Precision-cut ends ensure full contact with the fastener to minimize rounding and damage.