410 Stainless Steel M4.2 M4.8 Self Drilling Screw Csk Phillips Lathe Drive Truss Head Roofing Crew

1. Material:SS410 SS304, SS316, SS316L, SS201 
2. Grade: A2, A4 .
3. Size: ST4.2-ST4.8
4. Standard: GB
5. Packing: Carton and pallet

Screw :hex screw,DIN912; self drilling screw, DIN7504; self tapping screw,DIN7981/7982; drywall screw, pan head screw, button head screw, machine screw, chipboard screw,furniture screw,wood screw, ect
washer :flat washer DIN125, spring washer DIN127, lock washer,square washer,spring lock washer, plain washer e
BOLT : DIN933, DIN931, DIN912,DIN603,DIN7985,DIN7991,DIN6921, ASME/ANSI B18.2.1ASME/ANSIB18.2.3.1M GB, BSW, ISO Hex bolt , carriage bolt, heavy hex bolt, flange head bolt, achor bolt 
Nut : DIN934,DIN6923,DIN985,ISO4032 hex heavy hex nut, 2H nut,A563/A563M cap nut, nylon nut, ect
Rod : threaded rod DIN975,DIN976, threaded bar DIN975 stud bolt, B7 stud bolt ect Hex Bolt products are widely used in ports, electricity, steel, shipbuilding, petrochemical, mining, railway, building, metallurgy, chemical industry, automobile manufacturing, plastics machinery, industrial control, highway, bulk transportation, pipe linings, tunnel, shaft protective slope, salvage, Marine engineering, airport construction, Bridges, aviation, spaceflight, venues and other important industries and infrastructure Process of mechanical equipment and etc.It has excellent anti-rust performance, good quality, good packaging, good service is our customer service three purposes.