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Stainless Steel Hexagon Socket Head Shoulder Cap Screw

Updated 2026-11-04 · Markdown version

Model no. M3-M30

US$0.12 – 12.00 / piece

MOQ 100 pieces · Final price confirmed in your quote

Material: Stainless Steel
Head Style: Round
Standard: DIN, GB, ANSI, BSW, JIS, GOST
Grade: 6.8
Size: Screw Thread d

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

Customization	Available
Material	Stainless Steel
Type	Round Head
Model NO.	M3-M30
Groove	Hexagon
Connection	Common Bolt
Head Style	Round
Standard	DIN, GB, ANSI, BSW, JIS, GOST
Grade	6.8
Transport Package	Carton+Pallet or Wooden Box
Specification	M3-M30
Origin	China
HS Code	7318190000
Production Capacity	500000PCS
Size	Screw Thread d
Category	Socket Head Cap & Allen Screws

Technical parameters

Standard	ISO7379
Diameter	M3-M30
sample service	Free sample but freight cost is paid by customers(when sample is in stock) sample fee(when samples need to be customized)
Material	Stainless steel 304,316,2205,2507,etc
MOQ	1000
Surface treatment	piain
Package	Plastic bag, Boxes and cartons, Pallets, Customized
Price terms	EXW, FOB, CIF, etc.
Payment terms	T/T, Paypal, L/C, Western union, etc.
Certifications	ISO 9001
Note	Free Samples could be provided for standard fastener

Screw Thread d	M5	M6	M8	M10	M12	M16	M20
P	Pitch	0.8	1	1.25	1.5	1.75	2	2.5
ds	Nominal Size	6.5	8	10	13	16	20	25
max	6.487	7.987	9.987	12.984	15.984	19.98	24.98
min	6.451	7.951	9.951	12.941	15.941	19.928	24.928
b	max	9.75	11.25	13.25	16.4	18.4	22.4	27.4
min	9.25	10.75	12.75	15.6	17.6	21.6	26.6
dk	For plain heads	max	10	13	16	18	24	30	36
For knurled heads	max	10.22	13.27	16.27	18.27	24.33	30.33	36.39
min	9.78	12.73	15.73	17.73	23.67	29.67	35.61
k	max	4.5	5.5	7	9	11	14	16
min	4.32	5.32	6.78	8.78	10.73	13.73	15.73
s	Nominal Size	3	4	5	6	8	10	12
max	3.08	4.095	5.095	6.095	8.115	10.115	12.142
min	3.02	4.02	5.02	6.02	8.025	10.025	12.032
t	min	2.4	3.3	4.2	4.9	6.6	8.8	10

Description

Stainless Steel Hexagon Socket Head Shoulder Cap Screw is part of our socket head cap & allen screws range (Screws).

Key details

Type: Round Head
Standard: DIN, GB, ANSI, BSW, JIS, GOST
Material: Stainless Steel
Grade: 6.8
Size: Screw Thread d
Head Style: Round
Groove: Hexagon
Connection: Common Bolt

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

Ordering through Engineering Hardware & Fasteners

Minimum order is 100 pieces at US$0.12 – 12.00 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 Stainless Steel Hexagon Socket Head Shoulder Cap Screw?

The listed minimum order is 100 pieces, at US$0.12 – 12.00 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 Stainless Steel Hexagon Socket Head Shoulder Cap Screw?

Type: Round Head; Standard: DIN, GB, ANSI, BSW, JIS, GOST; Material: Stainless Steel; Grade: 6.8; Size: Screw Thread d; Head Style: Round. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, head style, standard, grade and size. 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 socket head cap & allen screws are available?

The Socket Head Cap & Allen Screws category lists 2,042 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-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 →

Request a quote for this product

US$0.12 – 12.00MOQ 100 piecesGet a quote WA