Machine Screw

Mild Steel and Brass Machine Screws And self tapping screws.

Machine screw

We supply machining parts, like screws,nut, customer specilise fittings.

Flat head machine screw

Specification: Screw diameter: d15- d 300 L/d ratio: 15-46 Product classification: Aiming at different plastic products the screw can be chosen from: general type, pin type, barrier type, separation type, and gas-exhausting type, etc. Base materials: (1)38crmoala(jis sacm645) (2)42crmo(aisi 4140) (3)4cr5mosi v1 (jis skd-61) (4)9cr18mov (5)hpt Bimetallic alloy materials: 1)fe-based alloy 2)ni-based alloy/deloro alloy 3)co-based alloy 4)nico-based alloy 5)tungsten carbide/wolfram carbide Technics: Heat treatment High-frequency quenching Nitriding treatment Hard-chrome electroplating Bimetallic alloy welding Bimetallic alloy centrifugal casting Technical parameter: Nitrided layer depth: 0.5-0.8mm Nitrided hardness: 900-1000hv Nitrided brittleness: less than grade 1 Surface roughness: ra0.4 Linearity of screw: 0.015mm Hard-chrome plating hardness after nitriding: >950hv Chrome-plating layer depth: 0.025-0.085mm Bimetallic layer depth: 3mm Slushing oil coated& film wrapped in wooden case

Material: carbon steel or stainless steel Diameter:M3-M8 Length:6mm-200mm 1)small boxes 500-2000pcs per box, cartons packing outside with wooden pallet 2)27*25*17 cm cartons packing with wooden pallet

Size:M1.2-M8 Standard:GB/JIS/ANSI/DIM/ISO Finish:Zc, Zo, Zw, Zi Baohui hardware electronic co. ltd supplies various of screw, which follow the standard of GB/DIN/ANSI&BS/BSW. Otherwise, we also can made the Non-standard bolt, do it follow sample or drawing or with Requirement Details of you. Commonly ,we supply the screw/bolt follow the GB standard. The range is from M1.2 to M8. From the shapes of screw head, there are Binding/Pan/Flat/Oval/Truss/Round and Hexagon, we usually call those for short by :B-head/P-head/F-head/O-head/T-head/R-head and H-head. From screw drive type, there are Slotted(flat or straight), PE bag, kraft bag, carton

Size:M1.2-M8 Standard:GB/JIS/ANSI/DIM/ISO Finish:Zc, Zo, Zw, Zi etc. SELF TAPPING SCREWS, THREAD CUTTING SCREWS, SELF DRILLING SCREWS, DRIVE SCREWS, MACHINE SCREWS, WOOD SCREWS, HEX HEAD CAP SCREWS(HEX BOLTS), HEX HEAD MACHINE BOLTS, HEX LAG BOLTS, SQUARE HEAD BOLTS, drywall screw, FURNITURE SCREWS, CHIPBOARD SCREWS, DRYWALL SCREWS etc. Something you need above? If you need one or some kinds of those screw/bolt, PE bag, kraft bag,carton