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Threaded Inserts & Clinch Fasteners › Wire Thread & Helical Inserts

Wire 1/4-20 Threaded Inserts 304 316 Stainless Steel Wire Thread Insert

Updated 2026-11-04 · Markdown version

Model no. M2-M16

US$0.841–9 pieces

US$0.7210–99 pieces

US$0.60100–999 pieces

US$0.481,000+ pieces

MOQ 1 piece · Final price confirmed in your quote

Surface Treatment: Without Treatment
Head Type: Round
Precision Grade: 6h
Length: Customizable
Temperature Tolerance: 932fahrenheit-1382fahrenheit
Package Size: 10.00cm * 8.00cm * 10.00cm
Material: Stainless 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.	M2-M16
Surface Treatment	Without Treatment
Head Type	Round
Precision Grade	6h
Length	Customizable
Installation Handle	Without
Temperature Tolerance	932fahrenheit-1382fahrenheit
Transport Package	PE Bags+Cartons+Pallets
Specification	Package 30cm x 26cm x 18cm
Origin	China
HS Code	7318190000
Production Capacity	3000000 Pieces/Day
Package Size	10.00cm * 8.00cm * 10.00cm
Package Gross Weight	0.150kg
Customization	Available
Material	Stainless Steel
Connection	Female
Shipping Cost	Contact the supplier about freight and estimated delivery time.
Category	Wire Thread & Helical Inserts

Technical parameters

	Number of coil turns of the thread insert
Specification	1D	1.5D	2D	2.5D	3D	Outer diameter before installation	Drill bit diameter
M2.5*0.45	3.6	5.9	8.2	10.5	12.8	3.2~3.5	2.6
St3*0.5	4.2	6.8	9.4	12	14.6	3.7~4.0	3.1
St4*0.7	4	6.6	9.1	11.7	14.2	5.0~5.3	4.2
St5*0.8	4.4	7.1	9.9	12.6	15.3	6.3~6.6	5.2
St6*1	4.3	6.9	9.6	12.2	14.9	7.5~7.9	6.3
St8*1.25	4.8	7.7	10.6	13.5	16.5	9.8~10.1	8.3
St10*1.5	5	8.1	11.2	14.2	17.3	12~12.5	10.4
St12*1.75	5.3	8.4	11.6	14.8	18	14.3~14.8	12.4

Description

Wire 1/4-20 Threaded Inserts 304 316 Stainless Steel Wire Thread Insert is part of our wire thread & helical inserts range (Threaded Inserts & Clinch Fasteners).

Key details

Material: Stainless Steel
Length: Customizable
Head Type: Round
Surface Treatment: Without Treatment
Connection: Female
Precision Grade: 6h
Installation Handle: Without
Temperature Tolerance: 932fahrenheit-1382fahrenheit

Available configurations include surface treatment, head type, precision grade, length and temperature tolerance. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 1 piece at US$0.48 – 0.84 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 Wire 1/4-20 Threaded Inserts 304 316 Stainless Steel Wire Thread Insert?

The listed minimum order is 1 piece, at US$0.48 – 0.84 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$0.84 for 1–9 pieces; US$0.72 for 10–99 pieces; US$0.60 for 100–999 pieces; US$0.48 for 1,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Wire 1/4-20 Threaded Inserts 304 316 Stainless Steel Wire Thread Insert?

Material: Stainless Steel; Length: Customizable; Head Type: Round; Surface Treatment: Without Treatment; Connection: Female; Precision Grade: 6h. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include surface treatment, head type, precision grade, length and temperature tolerance. 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 wire thread & helical inserts are available?

The Wire Thread & Helical Inserts category lists 187 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/wire-thread-helical-inserts/

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$0.48 – 0.84MOQ 1 pieceGet a quote WA