Countersunk Socket Head Screws feature a countersunk head type, which essentially allows them to sit flush. The socket head of these screws, makes them ideal to use alongside Hex Drive Bits or Allen Key and Wrenches in particular.
eBay
Xingxi Titanium Bolt M6X12 15 20 25 30 35mm Allen Hex Head Ti Screws M6 Bolt for Motor Bike Disc Accessories Fasteners
Aliexpress UK
Standard ISO 7380. M5 M6 M8 A2 STAINLESS STEEL HEX SOCKET BUTTON HEAD ALLEN BOLTS SCREWS ISO7380. M8 x 40MM BLACK HIGH TENSILE CUP POINT GRUB SCREWS HEX SOCKET SET SCREW 14.9. FORM A WASHERS FLAT SOLID BRASS DIN 125A M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M16.
eBay
Wanyifa Titanium Bolt M6x10 16 18 20 25 30 35 40 45 50 55 60 65mm DIN912 Taper Hex Allen Head Screw for Bike Parts Ti Fasteners
Aliexpress UK
M8 - 8mm Socket Cap Screws A2 Stainless DIN912. They are tightened using a hexagon wrench. They are fastened with the use of screwdriver with hexagonal insert bits or simply using an Allen key. They are made of A2 (304) stainless steel, A2 stainless is the most common type of steel used for the manufacture of fasteners and is suitable for general use.
eBay
Wanyifa Titanium Bolt M3/M4/M5x6 8 10 12 15 18 20 25 30mm Button Hex Allen Head Screw for Bicycle Model Aircraft Ti Fasteners
Aliexpress UK
M10 x 1.25mm Fine Pitch Black Allen Bolt Socket Cap Screws High Tensile 12.9.
eBay
304 Stainless Steel Hexagon Hex Socket Head Button Allen Screw Set M2 M2.5 M3 M4 M5 M6 M8 M10 Allen Hex Socket Button Head Screw
Aliexpress UK
Quantity: 200pcs. Solder Seal Sleeve. Do not dismiss your dream. 200pcs x set screws. Car Blade Fuse. Thread x Pitch. Wire & Cable Connectors. Material: 304 stainless steel.
eBay
Allen Screws 2510 M2 M3 M4 M5 M6 Hex Socket Allen Screw Nut and Washer Grade 10.9 Black Carbon Steel Motorcycle Round Head Bolts
Aliexpress UK
M8 Socket Cap Screws A2 Stainless Steel. M8 socket cap screws. Manufactured from A2 grade stainless steel for improved corrosion resistance. Allen key size 6mm. Head height 8mm. M8x1.25mm thread pitch.
eBay
JUIDINTO Button Head Hex Socket Cap Screw Bolt and Nut Assortment Kit M2 M2.5 M3 M4 M5 Carbon Steel Allen Screw Set with Hex Key
Aliexpress UK
4mm M4 A2 STAINLESS STEEL ALLEN BOLT SOCKET CAP SCREW HEX HEAD ALLEN KEY DIN 912.
eBay
Black Hex Socket Head Screws Set M2 M3 M4 M5 M6 DIN912 12.9 Allen Screw Nut with Hex Key Steel Button Head Socket Cap Bolts
Aliexpress UK
4mm M4 A2 STAINLESS STEEL HEX SOCKET BUTTON HEAD ALLEN BOLTS SCREWS ISO7380.
eBay
Allen Socket Wrench Set L Folded Wrench Kit Key For Allen Screw Long Hex 1.5 10mm Hexagon Spanner Hand Tools Car Bicycle Repair
Aliexpress UK