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Countersunk Head Csk Self Drilling Screws with Wing

Updated 2026-11-04 · Markdown version

Model no. 20MM

US$1,5001–24 tons

US$1,44025+ tons

MOQ 1 ton · Final price confirmed in your quote

Head Style: Round
Standard: DIN
Grade: 9.8
Finish: Galvanized (Various of Color), Dacromet, Black, M
Screw Material: C1022/C1022A/Stainless Steel
Head Type: Pan, Truss, Flat, Round, Hex, Cheese, Binding, CS
Surface: Black Oxide, Zinc Plated, Zinc-Aluminum Coated...
Drive Type: Hexagon Drive or Phillip Drive

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Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order.

Specifications

Model NO.	20MM
Groove	Philips
Connection	Common Bolt
Head Style	Round
Standard	DIN
Grade	9.8
Model No.	Self Drilling Screw
Finish	Galvanized (Various of Color), Dacromet, Black, M
Screw Material	C1022/C1022A/Stainless Steel
Head Type	Pan, Truss, Flat, Round, Hex, Cheese, Binding, CS
Surface	Black Oxide, Zinc Plated, Zinc-Aluminum Coated...
Drive Type	Hexagon Drive or Phillip Drive
Color	Yellow, White, Blue, Black
Features	Good Anti-Corrosion Ability
Product Name	Countersunk Csk Head Self Drilling Screws
Sample	Provide
Transport Package	1000pieces/Bag or Box or Carton
Specification	3.5X25
Origin	Tianjin of China
Production Capacity	10000tons Per Year
Package Size	5.00cm * 3.00cm * 2.00cm
Package Gross Weight	0.500kg
Customization	Available
Material	Carbon Steel
Type	Countersunk Head
Shipping Cost	Contact the supplier about freight and estimated delivery time.
Product Photos	Countersunk Head CSK Self Drilling Screws With wing
surface treatment	Zinc Plated (White Blue Zinc Plated, Yellow Zinc, White Zinc Plated)
Diameter	3.5mm, 3.9mm, 4.2mm, 4.8mm ···
Driver types	Phillips
Rib(Nib)	Customized
Packing Details	Packing, 1000pieces/box,follow customer's requirement
Delivery Details	3-30 days after order of window screw placed
Products Show	Welcome your inquiry of our flat head self drilling screws!
Category	Self-Drilling & Tek Screws

Technical parameters

Material	Carbon steel,Stainless Steel
Length	16mm-50mm
Head Type	countersunk head.
Finish	white/blue zinc plated etc.
stock	depend on the size and quantity
Packing	1.Bulk paking 25 kg in a carton or bag; 2.1 kg in a box/bag,25 boxes/bags in a carton,then pallet; 3. Normal Packing: 1000pcs/500pcs/250pcs per small box. then small boxes into cartons.
MOQ	one ton

MM	MM	MM	MM	MM
3.5*16	3.9*19	4.2*16	4.2*38	4.8*32
3.5*19	3.9*25	4.2*19	4.8*16	4.8*38
3.5*25	3.9*32	4.2*25	4.8*19	4.8*45
3.9*16	3.9*38	4.2*32	4.8*25	4.8*50

Description

Countersunk Head Csk Self Drilling Screws with Wing is part of our self-drilling & tek screws range (Screws).

Key details

Type: Countersunk Head
Standard: DIN
Material: Carbon Steel
Grade: 9.8
Diameter: 3.5mm, 3.9mm, 4.2mm, 4.8mm ···
Head Type: Pan, Truss, Flat, Round, Hex, Cheese, Binding, CS
Head Style: Round
Groove: Philips

Available configurations include head style, standard, grade, finish and screw material. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 1 ton at US$1,440 – 1,500 per ton. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you.

Frequently asked questions

What is the minimum order quantity (MOQ) for Countersunk Head Csk Self Drilling Screws with Wing?

The listed minimum order is 1 ton, at US$1,440 – 1,500 per ton. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

How does the price change with quantity?

Volume pricing: US$1,500 for 1–24 tons; US$1,440 for 25+ tons. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Countersunk Head Csk Self Drilling Screws with Wing?

Type: Countersunk Head; Standard: DIN; Material: Carbon Steel; Grade: 9.8; Diameter: 3.5mm, 3.9mm, 4.2mm, 4.8mm ···; Head Type: Pan, Truss, Flat, Round, Hex, Cheese, Binding, CS. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include head style, standard, grade, finish and screw material. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing.

What is the lead time and how is it shipped?

Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment.

Which other self-drilling & tek screws are available?

The Self-Drilling & Tek Screws category lists 5,114 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/screws/self-drilling-tek-screws/

How we work

Specified, checked and shipped by Engineering Hardware & Fasteners

Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing.

DIN, ISO, ASTM, ANSI, JIS and GB standard parts
Non-standard parts made to your drawing
Dimensions, thread gauges and plating checked before packing
Export cartons and pallets, consolidated mixed orders
Samples available for approval before mass production

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US$1,440 – 1,500MOQ 1 tonGet a quote WA