Self-Drilling Screws

The Self-Drilling Screws are always produced by cold forging and thread rolling die. There is a individual tooling for self-drilling tail. They can drill the hole by itself and setup into the hole. Looking forward to cooperating with you.

Material:
Carbon Steel: 1020, 1022 and etc.
Alloy Steel: 40Cr, 42CrMo and etc.
Stainless Steel: 201, 304, 440C and etc.
If you need any other special material, please tell us.
Head Styles
Round, Flat(counter sunk), Pan, Button, Hex, Truss, Bingding, Oval, Flat Fillister, Hex Washer Flange Hex and something special.
Driving Recesses
Phillips, Slotted Phillips Combo, Slot, Phillips Square Combo, Hex, Hex Washer, Slotted Hex, Slotted Hex Washer, Square, Phillips Hex Head, Trox, Hex Socket, Slotted Hex Socket and something special.
Point Styles
Drilling style.
Finish:
Zinc plating, passivated white, yellow, black and green.
Zinc-Nickel plating.
Bake to avoid Hydrogen Embrittlement above.
Nickel plating.
Black oxidation.
Geomet and Magni
Heat Treatment:
Always Case Harden
Through Harden
Nitrocarburizing
We can give you advise according to your actual application.
Tolerance:
According to DIN2768 standard.

Our supplier and we have the Certificate of ISO 9001 : 2015.
We can provide Dimension Certificate, Surface Treatment Certificate, Heat Treatment Certificate, ISIR, PPAP3 and etc.

Packing Details: Poly bags in cartons, put into plywood cases or pallets.
We can also provide special requirement according to customers.
We will confirm the delivery date when signing orders.
Shipped by Sea: FOB or CIF and etc.
We have our forwarder or we can cooperate with customers’ forwarder.
Shipped by Air: DAP or DDU, door to door and etc.
We always use DHL, UPS, FedEx, TNT and etc. If the weight is heavy, we will ship by forwarder which will be cheaper.
If you have urgent requirement, we will try our best to do something help you.