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Threaded Inserts & Clinch Fasteners › Wire Thread & Helical Inserts

Tangless Helical Coil Thread Insert Thread Protection for Machinery

Updated 2026-11-04 · Markdown version

Model no. ST4*1.5D

US$0.24500–999 pieces

US$0.221,000+ pieces

MOQ 500 pieces · Final price confirmed in your quote

Surface Finishing: Standard Size
Customized: According to The Drawing
Package Size: 1.00cm * 1.00cm * 1.00cm
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.	ST4*1.5D
Usage	Building, Machinery
Rotation Direction	Standard Size
Surface Finishing	Standard Size
Certification	ISO, RoHS
Customized	According to The Drawing
Course	Wrapping
Name	No Tail Insert
Field	Building
MOQ	100PCS
Transport Package	Carton Packaging
Specification	ST50.82D
Origin	China
HS Code	7318190000
Production Capacity	50000pieces
Package Size	1.00cm * 1.00cm * 1.00cm
Package Gross Weight	1.000kg
Customization	Available
Material	Stainless Steel
Type	Standard Size
Shipping Cost	Contact the supplier about freight and estimated delivery time.
Category	Wire Thread & Helical Inserts

Technical parameters

Material	Stainless Steel
Type	brand new
Place of Origin	China
	Henan
Model Number	50.81d
Processing customization	It can be customized according to requirements

Description

Tangless Helical Coil Thread Insert Thread Protection for Machinery is part of our wire thread & helical inserts range (Threaded Inserts & Clinch Fasteners).

Key details

Type: Standard Size
Material: Stainless Steel
Certification: ISO, RoHS
Usage: Building, Machinery
Rotation Direction: Standard Size
Surface Finishing: Standard Size
Course: Wrapping
Name: No Tail Insert

Available configurations include surface finishing, customized, package size and material. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 500 pieces at US$0.22 – 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 Tangless Helical Coil Thread Insert Thread Protection for Machinery?

The listed minimum order is 500 pieces, at US$0.22 – 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 500–999 pieces; US$0.22 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 Tangless Helical Coil Thread Insert Thread Protection for Machinery?

Type: Standard Size; Material: Stainless Steel; Certification: ISO, RoHS; Usage: Building, Machinery; Rotation Direction: Standard Size; Surface Finishing: Standard Size. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include surface finishing, customized, package size and material. 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 →

Request a quote for this product

US$0.22 – 0.24MOQ 500 piecesGet a quote WA