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Specialty Fasteners › Quarter-Turn, Captive & Panel Fasteners

Custom Big Flat Head Zinc 1/4-20 Half Thread Panel Captive Screw

Updated 2026-11-04 · Markdown version

Model no. SS-041

US$0.061,000–4,999 pieces

US$0.0245,000+ pieces

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

Finish: Plain, Zinc
Grade: 8.8
Material: Carbon Steel
Standard: DIN, GB, ANSI, BSW, JIS, GOST
Size: Custom
Head Style: Round
Package Size: 14.00cm * 8.00cm * 10.00cm

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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
Finish	Plain, Zinc
Grade	8.8
Model NO.	SS-041
Material	Carbon Steel
Standard	DIN, GB, ANSI, BSW, JIS, GOST
Shape	Captive Screw
Size	Custom
Application	Machine
Type	Round Head
Groove	Cross
Connection	Common Bolt
Head Style	Round
Transport Package	Carton Boxes+Plastic Bags
Specification	Customized
Origin	China
HS Code	7415339000
Production Capacity	1000000 Per Year
Package Size	14.00cm * 8.00cm * 10.00cm
Package Gross Weight	0.500kg
Category	Quarter-Turn, Captive & Panel Fasteners

Technical parameters

Standard	ISO, JIS, GB, ANSI, BSW, DIN or non standard as customize
Material	1.Stainless Steel: SS201, SS303, SS304, SS316, SS410, SS4202.Steel:C45(K1045), C46(K1046),C203.Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200CuZn37), C28000(CuZn40)4.Bronze: C51000, C52100, C54400, etc5.Iron: 1213, 12L14,12156.Aluminum/ Aluminum Alloy: Al6061, Al6063 etc7.Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045, C435#, 40CrMo, 42CrMo8.Alloy steel: SCM435,10B219.Titanium
Grade	4.8,6.8,8.8,12.9,etc
Size	M3-M24 or made to print as customer's specification
Specifications	Various shape size according to client's requirement
Thread	unc,unf,metric thread
Finish	Plain, Zinc Plated(Clear/Blue/Yellow/Black), black oxide, H.D.G, DAC,GOEMET, as custom need
Payment term	T/T 30 % deposit, 70% balance payment before shipment
Package	solid cardboard box pack or kit packed

Description

Custom Big Flat Head Zinc 1/4-20 Half Thread Panel Captive Screw is part of our quarter-turn, captive & panel fasteners range (Specialty Fasteners).

Key details

Type: Round Head
Standard: DIN, GB, ANSI, BSW, JIS, GOST
Material: Carbon Steel
Grade: 8.8
Size: Custom
Head Style: Round
Groove: Cross
Finish: Plain, Zinc

Available configurations include finish, grade, 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$0.024 – 0.06 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 Custom Big Flat Head Zinc 1/4-20 Half Thread Panel Captive Screw?

The listed minimum order is 1,000 pieces, at US$0.024 – 0.06 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$0.06 for 1,000–4,999 pieces; US$0.024 for 5,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Custom Big Flat Head Zinc 1/4-20 Half Thread Panel Captive Screw?

Type: Round Head; Standard: DIN, GB, ANSI, BSW, JIS, GOST; Material: Carbon Steel; Grade: 8.8; Size: Custom; 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 finish, grade, 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 →

Request a quote for this product

US$0.024 – 0.06MOQ 1,000 piecesGet a quote WA