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Screws › Countersunk & Flat-Head Machine Screws

Hexagonal Socket Countersunk Head Cap Screw with Zinc

Updated 2026-11-04 · Markdown version

Model no. DIN/ASNI/GB

US$0.12 / piece

MOQ 1,000 pieces · Final price confirmed in your quote

Head Style: Hex Socket Head
Standard: DIN, ANSI, GB, JIS, BSW, GOST
Grade: 4.8&5.8&6.8&8.8&10.9&12.9
Finish: Yzp&Blk&Zinc Plated&HDG
Surface Treatment: According to Requirements
Thread Type: Fine / Coarse /Bsw/Bsf/ Unc/Unf
Package Size: 10.00cm * 10.00cm * 10.00cm
Material: Carbon Steel

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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.	DIN/ASNI/GB
Connection	Common Bolt
Head Style	Hex Socket Head
Standard	DIN, ANSI, GB, JIS, BSW, GOST
Grade	4.8&5.8&6.8&8.8&10.9&12.9
Application	Machinery, Chemical Industry, Environmental, Building
Finish	Yzp&Blk&Zinc Plated&HDG
Process	Cold Forging,Hot Forging,Machining
Salt Spray Test	According to Requirements
Surface Treatment	According to Requirements
Thread Type	Fine / Coarse /Bsw/Bsf/ Unc/Unf
Transport Package	Small Box & Bulk & Customizing
Specification	M3-M60
Origin	Ningbo, China
HS Code	7318159001
Production Capacity	2500tons/Year
Package Size	10.00cm * 10.00cm * 10.00cm
Package Gross Weight	1.000kg
Customization	Available
Material	Carbon Steel
Type	Hexagon Head
Shipping Cost	Contact the supplier about freight and estimated delivery time.
Category	Countersunk & Flat-Head Machine Screws

Technical parameters

M10

M12

(M14)

M16

(M18)

M20

(M22)

M24

P	Pitch
α	tol.(+2)
b	L≤125
125
L>200
dk	max=nominal size
min
ds	max=nominal size
min
e	min
k	max
s	Nominal Size
min
max
t	max=nominal size
min

0.5	0.7	0.8	1	1.25	1.5	1.75	2	2	2.5	2.5	2.5	3
90°	90°	90°	90°	90°	90°	90°	90°	90°	90°	90°	60°	60°
12	14	16	18	22	26	30	34	38	42	46	50	54
/	/	/	24	28	32	36	40	44	48	52	56	60
/	/	/	/	/	45	49	53	57	61	65	69	73
6	8	10	12	16	20	24	27	30	33	36	36	39
5.7	7.64	9.64	11.57	15.57	19.48	23.48	26.48	29.48	32.38	35.38	35.38	38.38
3	4	5	6	8	10	12	14	16	18	20	22	24
2.86	3.82	4.82	5.82	7.78	9.78	11.73	13.73	15.73	17.73	19.67	21.67	23.67
2.3	2.87	3.44	4.58	5.72	6.86	9.15	11.43	11.43	13.72	13.72	16	16
1.7	2.3	2.8	3.3	4.4	5.5	6.5	7	7.5	8	8.5	13.1	14
2	2.5	3	4	5	6	8	10	10	12	12	14	14
2.02	2.52	3.02	4.02	5.02	6.02	8.025	10.025	10.025	12.032	12.032	14.032	14.032
2.1	2.6	3.1	4.12	5.14	6.14	8.175	10.175	10.175	12.212	12.212	14.212	14.212
1.2	1.8	2.3	2.5	3.5	4.4	4.6	4.8	5.3	5.5	5.9	8.8	10.3
0.95	1.55	2.05	2.25	3.2	4.1	4.3	4.5	5	5.2	5.6	8.44	9.87

Available Material	Carbon steel,Stainless steel,Duplex Stainless steel Brass,Copper,Plastic,Aluminum
Surface Treatment	Zinc Plated/Galvanized,Nickel Plated,HDG,Copper Plated,Anodized,Polishing.
Powder Coating	Geomet,Dacromet,Passivation,Electrophoesis,
Equipments	Cold forging Machine,Thread Rolling Machine,CNC Machine,Lather Machine,
Grinding Machine,Milling Machine,Drilling Machine,Casting Machine
Processing Way	Cold Forging,Stamping,Rolling,Bending,Casting,Extrusion,Milling,Welding,Turning
Processing drawing Format	. jpg /. pdf / . dwg / . igs / . stp etc.
Trade Term	EXW, FOB, CIF, DDP, CFR,or as discussing
Payment Term	T/T,L/C,Western Uion
Packagement	Plastic Bag+Chipboard Carton +Plywood Pallet With Bel

Description

Hexagonal Socket Countersunk Head Cap Screw with Zinc is part of our countersunk & flat-head machine screws range (Screws).

Key details

Type: Hexagon Head
Standard: DIN, ANSI, GB, JIS, BSW, GOST
Material: Carbon Steel
Grade: 4.8&5.8&6.8&8.8&10.9&12.9
Head Style: Hex Socket Head
Surface Treatment: According to Requirements
Finish: Yzp&Blk&Zinc Plated&HDG
Connection: Common Bolt

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

Ordering through Engineering Hardware & Fasteners

Minimum order is 1,000 pieces at US$0.12 per piece. 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 Hexagonal Socket Countersunk Head Cap Screw with Zinc?

The listed minimum order is 1,000 pieces, at US$0.12 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

What are the main specifications of Hexagonal Socket Countersunk Head Cap Screw with Zinc?

Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS, BSW, GOST; Material: Carbon Steel; Grade: 4.8&5.8&6.8&8.8&10.9&12.9; Head Style: Hex Socket Head; Surface Treatment: According to Requirements. 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 surface treatment. 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 countersunk & flat-head machine screws are available?

The Countersunk & Flat-Head Machine Screws category lists 2,424 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-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

More about us → · Request a sample or custom quote →

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US$0.12MOQ 1,000 piecesGet a quote WA