Upgrade your fasteners with professional-grade black oxide bolts. Designed for precision and durab...Upgrade your fasteners with professional-grade black oxide bolts. Designed for precision and durability, these Hex Socket Countersunk Bolts are the go-to choice for professionals, makers, and DIY enthusiasts. Whether you are repairing furniture, building a 3D printer rig, or securing automotive trim, these screws provide a secure hold with a stealthy, flush finish.Technical Specifications:* Material: High Tensile Carbon Steel (Grade 10.9)* Finish: Black Oxide (Corrosion Resistant)* Standard: DIN 7991 / ISO 10642* Drive Type: Hex Socket (Allen Key)* Head Style: Flat / Countersunk (90°)
⚠️ IMPORTANT SIZING NOTE:
Unlike standard cap head screws, Countersunk screws are measured by their TOTAL length, including the head. Please measure from the top of the flat head to the very tip of the screw to ensure the correct fit.
Available Sizes & Common Uses:
* M4: Electronics, Small Hinges, 3D Printed Parts
* M5: VESA Mounts, Cabinetry, Automotive Interiors
* M6: Furniture Assembly (Cribs/Chairs), Machinery, Bikes
* M8: TV Wall Mounts, Heavy Joinery, Structural Projects.
B&Q - M6 X 16mm Black Hex Socket Countersunk BoltsDin 7991 Grade 10.9 Steel Allen Key Flat Head ScrewsPack Of 2Free delivery in 1–3 days£8.68Visit shop →
B&Q - M5 X 20mm Black Hex Socket Countersunk BoltsDin 7991 Grade 10.9 Steel Allen Key Flat Head ScrewsPack Of 2Free delivery in 1–3 days£8.68Visit shop →
B&Q - M4 X 12mm Black Hex Socket Countersunk BoltsDin 7991 Grade 10.9 Steel Allen Key Flat Head ScrewsPack Of 2Free delivery in 1–3 days£8.68Visit shop →
B&Q - M6 X 30mm Black Hex Socket Countersunk BoltsDin 7991 Grade 10.9 Steel Allen Key Flat Head ScrewsPack Of 2Free delivery in 1–3 days£8.78Visit shop →
B&Q - M8 X 25mm Black Hex Socket Countersunk BoltsDin 7991 Grade 10.9 Steel Allen Key Flat Head ScrewsPack Of 2Free delivery in 1–3 days£8.78Visit shop →
B&Q - M8 X 20mm Black Hex Socket Countersunk BoltsDin 7991 Grade 10.9 Steel Allen Key Flat Head ScrewsPack Of 2Free delivery in 1–3 days£8.78Visit shop →
B&Q - M8 X 30mm Black Hex Socket Countersunk BoltsDin 7991 Grade 10.9 Steel Allen Key Flat Head ScrewsPack Of 2Free delivery in 1–3 days£8.88Visit shop →
B&Q - M8 X 35mm Black Hex Socket Countersunk BoltsDin 7991 Grade 10.9 Steel Allen Key Flat Head ScrewsPack Of 2Free delivery in 1–3 days£8.98Visit shop →
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Upgrade your fasteners with professional-grade black oxide bolts. Designed for precision and durability, these Hex Socket Countersunk Bolts are the go-to choice for professionals, makers, and DIY enthusiasts. Whether you are repairing furniture, building a 3D printer rig, or securing automotive trim, these screws provide a secure hold with a stealthy, flush finish.Technical Specifications:* Material: High Tensile Carbon Steel (Grade 10.9)* Finish: Black Oxide (Corrosion Resistant)* Standard: DIN 7991 / ISO 10642* Drive Type: Hex Socket (Allen Key)* Head Style: Flat / Countersunk (90°)
⚠️ IMPORTANT SIZING NOTE:
Unlike standard cap head screws, Countersunk screws are measured by their TOTAL length, including the head. Please measure from the top of the flat head to the very tip of the screw to ensure the correct fit.
Available Sizes & Common Uses:
* M4: Electronics, Small Hinges, 3D Printed Parts
* M5: VESA Mounts, Cabinetry, Automotive Interiors
* M6: Furniture Assembly (Cribs/Chairs), Machinery, Bikes
* M8: TV Wall Mounts, Heavy Joinery, Structural Projects.