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Nose Assemblies attach to installation tools and, when placed over the fastener and pulled by the tool’s piston, perform the actual installation function. A range of configurations provides access for limited clearance, offset, and deep access applications. Nose assemblies are designed to install specific fastener types and diameters.
Unit of Measure

Compatibility Type

 N/A Lockbolt

Lockbolt - Dash Size

 N/A -10

Lockbolt - Decimal value

 N/A 0.313

Lockbolt - Fraction value

 N/A 5/16

Tool Compatibility

 N/A 245 246 2502 2503 255 256 2580-12 A2502 A2503 A2580-12

Diameter

 N/A 0.313 in

Anvil Length

 N/A 4.700 in

Anvil Diameter

 N/A 0.920 in

Face Height

 N/A 0.430 in

Face Length

 N/A 3.950 in

Flats

 N/A 1.000

Shoulder Length

 N/A 3.950 in