China slotted pan head screws factory wholesale
- NEWSTARWDH
- CHINA
- 7-35 DAYS
- 3000 TONS
Product name:Slotted Pan Head Screws
Standard:ASME/ANSI B18.6 ,DIN967
Size:#5 - 3/4"; M3 – M20
Material:Carbon Steel, Alloy Steel, Stainless Steel,
Head type:truss head, wafer head, pan head
Brand Name: NEWSTARWDH
Drive type: Pan Head
Finish:Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G
Packing:bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
Application:Structural Steel; Metal Buliding; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating
Supply Ability:3000 tons per month
Minimum Order:500kgs for each specification
Delivery time:Normally in 7-35 days, according to quantity
Slotted Pan Head Screws
The national standard requirement for slotted pan head screw is GB/T 67-2008. The main technical requirements are: iron and stainless steel, iron with low, medium and high carbon steel, slotted pan head screws The material is stainless steel 201, stainless steel 304 and stainless steel 316. The thread tolerance is 6G.
The mechanical grade of the iron slotted pan head screw is 4.8 and 8.8. The 4.8 grade combination screw is ordinary steel, the maximum hardness is 255HV. The 8.8 grade slotted pan head screw is generally used. The wire 10B21 is punched out, and then subjected to hardening treatment, and after hardening treatment, hydrogen is removed. Hydrogen removal is to prevent the hydrogen cushion in the combination screw from being hydrogen embrittled. Prevent the spring pad from breaking. The combination screw has a tolerance class of A.
The cross slot is H-shaped. The surface treatment of slotted pan head screws is environmentally friendly and environmentally friendly. For example, environmentally friendly blue zinc, environmentally friendly color zinc, black zinc, color zinc, white nickel and so on. The technical requirement of the combination screw for the flat washer is that the washer should be able to rotate automatically without falling off.
The slotted pan head screw can literally understand the product, that is, the groove type is a slotted groove. This groove type has one less groove milling process than the common cross groove, and the cost is relative to the cross groove. Slightly lower. The pan head is generally more suitable for the German standard than the countersunk head.
