DescriptionGulso Bolts – BrassThese Gulso Bolts are “Standard” length knife handle fasteners.Material:  brassT20 Torx HeadDimensions:Head Diameter- 1/4″ Barrel Diameter- 5/32″ Screw Overall Length- .47″ (head thickness is .1″ of OAL) Barrel/Post Overall Length- .475″ (head thickness is .1″ of OAL) Each Gulso Bolt comes with 1 ea male and female side.Sold each or in packs of 10Counterbore Selection Guide: 1/4″ Gulso Bolts –  uses a Counterbore #CB2 with Pilot #PIL5 (sold separately)