Technical details

• Hi-Shear drawing HL112 revision 29 identifies this designation as a 1/64 in oversize titanium HI-LOK pin with a protruding tension head.
• Dash 20 replaces a 5/8 in nominal pin. The oversize row gives 41/64 in nominal diameter and head diameter A 0.905 to 0.953 in.
• Shank D is 0.6391 to 0.6396 in without coating or solid film and 0.6386 to 0.6396 in after coating or solid film. The drawing allows a 0.0002 in increase in maximum D for solid film or aluminum coating.
• Grip dash 38 denotes 2.375 in maximum grip under the drawing ordering rule.
• The selected diameter row specifies a modified 0.6250-18 UNJF-3A thread.
• The drawing specifies 6Al-4V titanium alloy to AMS 4928 or AMS 4967.
• Finish code VF specifies blue Type I anodizing to Hi-Shear Specification 306 and cetyl alcohol lubricant to Specification 305.