Socket Head Cap Screws with Hole

A wire or wire can be passed through the hole in the bolt head to prevent loosening and falling off.

1/4-20 x 3 Flat Head Socket Cap Screws Grade 8 Steel Black Oxide

SVSL-M10X20, Hexagon Socket Head Cap Screw (SUS316L/with Gas Ventilation Hole) - SVSL/SVSL-PC, NBK

SVSX-M5-16-88 NBK Hex Socket Head Cap Vacuum Vented Screws with

Socket Head Cap Screws & Nuts, Steel

Buy M3 12.9 Grade Alloy Steel Hex Bolt Socket Head Cap Screws Kit Online at

RCBAS5-10, Screws with Through Hole - Hex Screws with Through Hole, MISUMI

NAS1352-04H6P Screw - length 3/8 - Military Fasteners

Brighton-Best 1/4-20 Socket Head Cap Screw, Black Oxide Steel, 1

M8-1.25 x 20mm Socket Head Cap Screws Bolts, Allen Socket Drive, Stainless Steel 18-8 (304), Full Thread, Bright Finish, Machine Thread, 20 PCS : Industrial & Scientific

Lot of 10 SVSS-M6-20-MOS NBK Socket Head Cap Vacuum Vented Screws

Part Number Hex Socket Head Cap Screws - Small Head

How To Make Hexagon Socket Head Cap Screw