These are high quality bar-turned 7075 Aluminium screws which have been manufactured in-house at GWR Fasteners Limited to a high tolerance. They are
M5 Thread Allen Bolt Socket Cap Screws A2-70(304) Stainless Steel Hex Head Screws DIN912 (M5*5 mm - 5PCS): : Industrial & Scientific
ALLEN BOLTS SOCKET Cap Screws DIN 912 Hex Head M4 M5 M6 M8 M10 M12
VIS M6 M8 M10 M12 Socket Counterfund - 10,9 boulons Allen haute
M3 M4 M5 Marine Grade Stainless Steel A4 316 Countersunk Head Socket Cap Screws DIN 7991 Allen Bolts Flat Head Hex Drive Screw - AliExpress
M6 TITANIUM TI Bike Stem Screw Allen Bolt Hex Socket Cap Screws 10
20MM SILVER ALUMINIUM Screw Cap with EPE Liner for 50ml mini
ANODISED ALUMINIUM ROUND Tubes 18mm 19mm, Red, Blue. Large
Hexagon Socket Head Cap Screws Hexagon Socket Head Screw M6 - 2pcs-5pcs M5 M6 - Aliexpress
Socket Cap Head Screws - 7075 Aluminium