Giant Star

16 Years Manufacturing Experience
Black Phosphate Drywall Self Drilling Screw

Black Phosphate Drywall Self Drilling Screw

Short Description:

Gypsum screw for metal

Black phosphate drywall self drilling screw or gypsum screws for metal

Material: C1022A

Diameter: M3.5/4.2(#6/#8)

Length: 25mm-75mm(1″-3″)

Thread: Fine thread

Packaging: 500pcs/800pcs/1000pcs per box,12-20boxes/carton,or in bulk,25kg/carton or as per customer requirement

Finish: black/gray phosphated, zinc plated

Usage: widely use for sheet metal fasten or gypsum screw board

Product Detail

Product Tags

Products Description

Gypsum screws for metal
Black phosphate Drywall Self Drilling Screw

Usage: More and more widely used in hard wood, furniture-making, gypsum board, decoration, sheet iron-machining, light steel joist and construction so on

Drywall self drilling screw




3.5mm, 4.2mm, 6#~8#, Length: 25-75mm (1”- 3”)

Head type

bugle head, pan framing head

Drive type



C1022+ heat treatment


black phosphate, grey phosphate, Zinc plated


bulk, plain box, color box, poly bag, PP box + wood Pallet

Supply Ability

300 tons per month

Minimum Order

1000kgs for each specification

Trade Term


Payment Term

T/T, L/C, Western Union , CNY


South&north Amrica/Europe/East&South east Asia/ Africa/ Middle East and ect.


More than 10 years experience in fasteners industry; Guaranteed quality with best service.

Our advantage

One-stop shopping;
High quality;
Competitive price;
Timely delivery;
Technical support;
Supply Material and Test Reports;
Samples for free
With 2 years quality guarantee period after shipment.


Please lets know the size, quantity, head type, drive type, material, finish …if it is special and non-standard products, please supply the drawing or photos or samples to us


1. What is your main products?
Drywall screws, self tapping screws, self driling screws, chipboard screws, blind rivets, common nails, concrete nails..etc.

2. What is your delivery time?
It depends, usually it will take around 20 days for 1x20ft. And of course we will finish it within 10 days once we have stock in our warehouse.

3. What is your payment term?
T/T. 30% prepayment in advance and 70% before loading container or as per both side agreement.

4. How is your quality? And what if we don't satisfied your quality?
We produce your order strictly by your request. If the quality was not acceptable, we will refund to you.

Win-win is our common goal...

Warmly welcome your visit and inquiry.

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