Standard & made-to-drawing parts
Checked before shipping
Air, sea & express delivery

ISO 7380 Button Head Hexagon Socket Cap Screw Nylon Patch Screws

Updated 2026-11-04 · Markdown version

Model no. 3mm-16mm

US$0.12 – 1.20 / piece

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

Material: Stainless Steel
Head Style: Round
Standard: DIN, GB, ANSI, BSW, JIS
Grade: A2/A4
Surface: Bright
Standard parts: 7-
Non-standard parts: 25

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.	3mm-16mm
Groove	Hexagon
Connection	Common Bolt
Head Style	Round
Standard	DIN, GB, ANSI, BSW, JIS
Grade	A2/A4
Diamter	M3-M16
Lenght	5mm-500mm
Surface	Bright
Delivery Time	15-45 Days
Transport Package	in Cartons, on Pallet.
Specification	ISO7380
Origin	China
HS Code	7318120000
Production Capacity	5000 Tons of Hex Head Wood Screw Per Year
General	Packed in 25 Kg Net weightCarton/Bag (with plastic bag inside), then 36 Cartons per a pallet.
Special	We can packed in small box (with plastic bag inside, 1-5kg) or small plastic bag, then in Carton, 36cartons per a pallet.
ABOUT US	Wellbolt is an excellent fasteners & metal production manufacturer and exporter in China,from the beginning of the production of bolts and screws, established its full range fastener distribution line 3 years later.
All our processes strictly adhere to ISO9001	2008 procedures. We have strict quality control from producing to
Standard parts	7-
Non-standard parts	25
Category	Socket Head Cap & Allen Screws

Technical parameters

Product name	Stainless Steel ISO7380 Button Head Hex Socket Cap Screw Nylock Screw with Blue and Red Nylon Patch
Place of Origin	Zhejiang, China (Mainland)
Standard	ISO 7380
Material	Carbon steel, Stainless steel, Aluminum, Brass.
Payment term	T/T,L/C,D/P,Western Union
Features	Good anti-corrosion ability
QC Control	100% Inspection Before Shipment
Finishing	Zinc(Yellow,White,Blue,Black),Hop Dip Galvanized(HDG),Black Oxide,Geomet,Dacroment,anodization,Nickel plated,Zinc-Nickel plated
After sales service	We will follow up goods for every customer and help solve problem after sales.
Application	Machinery, Chemical Industry, Environmental, Building, Auto,Motorcycle,Aviation,Electronic,Furniture
Packing	General: Packed in 25 Kg Net weightCarton/Bag (with plastic bag inside), then 36 Cartons per a pallet.Special: We can packed in small box (with plastic bag inside, 1-5kg) or small plastic bag, then in Carton, 36cartons per a pallet.

d
Screw Thread	M3	M4	M5	M6	M8	M10	M12	M16
P	Pitch	0.5	0.7	0.8	1	1.25	1.5	1.75	2
a	max	1	1.4	1.6	2	2.5	3	3.5	4
min	0.5	0.7	0.8	1	1.25	1.5	1.75	2
dk	max	5.7	7.6	9.5	10.5	14	17.5	21	28
min	5.4	7.24	9.14	10.07	13.57	17.07	20.48	27.48
e	min	2.3	2.87	3.44	4.58	5.72	6.86	9.15	11.43
k	max	1.65	2.2	2.75	3.3	4.4	5.5	6.6	8.8
min	1.4	1.95	2.5	3	4.1	5.2	6.24	8.44
s	Nominal Size	2	2.5	3	4	5	6	8	10
max	2.045	2.56	3.071	4.084	5.084	6.095	8.115	10.115
min	2.02	2.52	3.02	4.02	5.02	6.02	8.025	10.025
t	min	1.04	1.3	1.56	2.08	2.6	3.12	4.16	5.2

Description

ISO 7380 Button Head Hexagon Socket Cap Screw Nylon Patch Screws is part of our socket head cap & allen screws range (Screws).

Key details

Type: Round Head
Standard: DIN, GB, ANSI, BSW, JIS
Material: Stainless Steel
Grade: A2/A4
Head Style: Round
Groove: Hexagon
Connection: Common Bolt
Diamter: M3-M16

Available configurations include material, head style, standard, grade and surface. 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 – 1.20 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 ISO 7380 Button Head Hexagon Socket Cap Screw Nylon Patch Screws?

The listed minimum order is 1,000 pieces, at US$0.12 – 1.20 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 ISO 7380 Button Head Hexagon Socket Cap Screw Nylon Patch Screws?

Type: Round Head; Standard: DIN, GB, ANSI, BSW, JIS; Material: Stainless Steel; Grade: A2/A4; Head Style: Round; Groove: Hexagon. 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 surface. 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 – 1.20MOQ 1,000 piecesGet a quote WA