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Specialty Fasteners › Quarter-Turn, Captive & Panel Fasteners

M3 M4 M5 Cap Head Captive Screws Hex Socket Screw

Updated 2026-11-04 · Markdown version

Model no. 5B-13

US$0.241,000–4,999 pieces

US$0.125,000–9,999 pieces

US$0.07210,000–19,999 pieces

US$0.04820,000+ pieces

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

Grade: A2;A4
Head Type: Cap Head
Material: Stainless Steel
Standard: DIN, GB, Per Customers' Desire
Size: M3 M4 M5
Total Length: 5~50mm
Thread Part Length: 2~46mm
Available Material: Stainless Steel, Carbon Steel and So on

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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

Customization	Available
Grade	A2;A4
Head Type	Cap Head
Model NO.	5B-13
Material	Stainless Steel
Standard	DIN, GB, Per Customers' Desire
Product Name	Hexagon Socket Cap Head Captive Screw
Screw Type	Captive Panel Screw
Feature	Have Thread Part and Unthread Part
Screw Groove	Hexagon Socket
Size	M3 M4 M5
Total Length	5~50mm
Thread Part Length	2~46mm
Available Material	Stainless Steel, Carbon Steel and So on
Coating	Cleaning, Zinc Plating and So on
Available Grade	A2, A4
Certificate	ISO;SGS; RoHS;ISO9001
Delivery Time	7-10workdays
MOQ	500PCS
Export Markets	Global
Groove	Hexagon
Connection	Common Bolt
Head Style	Hexagonal
Type	Cap
Transport Package	251625cm Carton Box, Then Polywood Box Packed
Specification	M3 M4 M5
Origin	Jiangsu
HS Code	73181500
Production Capacity	200tons/Month
Package Size	12.50cm * 11.50cm * 7.00cm
Package Gross Weight	2.000kg
SAMPLE CHARGE	1.
According to your request. Sampling time	5-7days
Free for Existing Mold. Sampling time	3days
Shortest Delivery	We have large stock, 3 days for stock items,7-15days for production.
Category	Quarter-Turn, Captive & Panel Fasteners

Technical parameters

CHEMICAL COMPONENTS
Material	C ≤	Si ≤	Mn ≤	P ≤	S ≤	Ni	Cr	Mo	Others
201	0.15	1	5.5-7.5	0.06	0.03	3.5-5.5	16-18		N≤0.25
304	0.08	1	2	0.045	0.03	8.0-10.0	18-20
304L	0.03	1	2	0.045	0.03	8.0-12.0	18-20
321	0.08	1	2	0.045	0.03	8.0-13.0	17-19		Ti≤5*C%
316	0.08	1	2	0.045	0.03	10.0-14.0	16-18	2-3
316L	0.03	1	2	0.045	0.03	10.0-15.0	16-18	2-3
309S	0.08	1	2	0.045	0.03	12.0-15.0	22-24
410	0.15		1		0.03	-	11.5-13.5
420	0.26-0.4		1		0.03	-	12-14
430	0.12	0.75	1	0.04	0.03	-	16-18

Threaded Rods	Thumb screws	Socket Screws	Security Screws
Shoulder Screws	Rivets	Solar Hanger Bolt	Pins
Springs	Captive Screws	U/L/J bolts	Machine Screws

Description

M3 M4 M5 Cap Head Captive Screws Hex Socket Screw is part of our quarter-turn, captive & panel fasteners range (Specialty Fasteners).

Key details

Type: Cap
Standard: DIN, GB, Per Customers' Desire
Material: Stainless Steel
Grade: A2;A4
Size: M3 M4 M5
Head Type: Cap Head
Head Style: Hexagonal
Groove: Hexagon

Available configurations include grade, head type, material, standard and size. 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$0.048 – 0.24 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 M3 M4 M5 Cap Head Captive Screws Hex Socket Screw?

The listed minimum order is 1,000 pieces, at US$0.048 – 0.24 per piece. 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$0.24 for 1,000–4,999 pieces; US$0.12 for 5,000–9,999 pieces; US$0.072 for 10,000–19,999 pieces; US$0.048 for 20,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of M3 M4 M5 Cap Head Captive Screws Hex Socket Screw?

Type: Cap; Standard: DIN, GB, Per Customers' Desire; Material: Stainless Steel; Grade: A2;A4; Size: M3 M4 M5; Head Type: Cap Head. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include grade, head type, material, standard 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 quarter-turn, captive & panel fasteners are available?

The Quarter-Turn, Captive & Panel Fasteners category lists 403 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/specialty-fasteners/quarter-turn-captive-panel-fasteners/

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$0.048 – 0.24MOQ 1,000 piecesGet a quote WA