Socket Head Cap Screws, which are also known as Allen head screws are stock items at Lightning Bolt in many materials sizes.
Why would one choose to use a hex head bolt vs a socket head bolt? - Quora
M2 Metric 304 Stainless Steel Hex Socket Head Cap Screws Allen key Bolts DIN 912
Grade 12.9 British Standard Hexagon Hex Socket Head Cap Screws BSW Allen Bolts 1/8 5/32 3/16 1/4 5/16 3/8 7/16 1/2 5/8 - AliExpress
Hex Bolts at
Hexagon Hex Socket Cap Head Screw M8 M10 M12 M14 M16 M20 stainless steel Machine Screws Din 912 grade Allen Bolt Full Thread - AliExpress
The socket head cap screws are alloy steel Grade 12.9 which offers chemical and corrosion resistance. Thread Diameter: 4 mm; Thread Length: 12 mm;
M4 x 12mm Socket Head Cap Screws, Grade 12.9 Alloy Steel Black Oxide, Allen Socket Drive, Machine Thread, 100 PCS
Hexagonal Mild Steel Hex Bolts, Grade: 4.6, Size: Dia M6 To M64 at Rs 85/kg in Ludhiana
Stainless Steel 304 316 Half Thread Hex Head Bolt Allen Bolt - China Bolts, Bolt
Stainless steel socket head Allen screws w/nylon lock nuts (pack of fo
YFS Socket Products - Fuller Fasteners : Fuller Fasteners