Howmet Fastening Systems
Howmet Fastening Systems
Phone: Sales +1 800 992 4444
Technical Support +1 310 784 6409
Email: HFSTechSupport@howmet.com
Website: www.hfs.howmet.com
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606D-Series_Typical-Installation
Unit of Measure
1 

Item #

Head Style

Material

A - Diameter

B - Diameter

C - Head Diameter

Thread

606D1 N/A Standard Flush N/A Aluminum N/A 0.500 in N/A 0.312 in N/A 0.240 in N/A 0.1380-32 UNJC
606D2 N/A Standard Flush N/A Aluminum N/A 0.562 in N/A 0.375 in N/A 0.270 in N/A 0.1640-32 UNJC
606D3 N/A Standard Flush N/A Aluminum N/A 0.625 in N/A 0.437 in N/A 0.330 in N/A 0.1900-32 UNJF
606D4 N/A Standard Flush N/A Aluminum N/A 0.687 in N/A 0.500 in N/A 0.400 in N/A 0.2500-28 UNJF
606D5 N/A Standard Flush N/A Aluminum N/A 0.750 in N/A 0.562 in N/A 0.460 in N/A 0.3125-24 UNJF
606D6 N/A Standard Flush N/A Aluminum N/A 0.875 in N/A 0.625 in N/A 0.490 in N/A 0.3750-24 UNJF
666D1 N/A Standard Flush N/A CRES N/A 0.500 in N/A 0.312 in N/A 0.240 in N/A 0.1380-32 UNJC
666D2 N/A Standard Flush N/A CRES N/A 0.562 in N/A 0.375 in N/A 0.270 in N/A 0.1640-32 UNJC
666D3 N/A Standard Flush N/A CRES N/A 0.625 in N/A 0.437 in N/A 0.330 in N/A 0.1900-32 UNJF
666D4 N/A Standard Flush N/A CRES N/A 0.687 in N/A 0.500 in N/A 0.400 in N/A 0.2500-28 UNJF
666D5 N/A Standard Flush N/A CRES N/A 0.750 in N/A 0.562 in N/A 0.460 in N/A 0.3125-24 UNJF
666D6 N/A Standard Flush N/A CRES N/A 0.875 in N/A 0.625 in N/A 0.490 in N/A 0.3750-24 UNJF
696D1 N/A Standard Flush N/A Steel N/A 0.500 in N/A 0.312 in N/A 0.240 in N/A 0.1380-32 UNJC
696D2 N/A Standard Flush N/A Steel N/A 0.562 in N/A 0.375 in N/A 0.270 in N/A 0.1640-32 UNJC
696D3 N/A Standard Flush N/A Steel N/A 0.625 in N/A 0.437 in N/A 0.330 in N/A 0.1900-32 UNJF
696D4 N/A Standard Flush N/A Steel N/A 0.687 in N/A 0.500 in N/A 0.400 in N/A 0.2500-28 UNJF
696D5 N/A Standard Flush N/A Steel N/A 0.750 in N/A 0.562 in N/A 0.460 in N/A 0.3125-24 UNJF
696D6 N/A Standard Flush N/A Steel N/A 0.875 in N/A 0.625 in N/A 0.490 in N/A 0.3750-24 UNJF
Unit of Measure
1