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Threaded Inserts & Clinch Fasteners › Thread Repair & Solid Threaded Inserts

Steel Wire Key Locking Threaded Inserts Product Type Thread Inserts

Updated 2026-11-04 · Markdown version

Model no. Light type, heavy type, super heavy type

US$1.801–9 pieces

US$1.6810–99 pieces

US$1.56100–999 pieces

US$1.441,000+ pieces

MOQ 1 piece · Final price confirmed in your quote

Material: Stainless Steel; Carbon Steel
Surface Finishing: Nickel Plated
Customized: Customized
Temperature Tolerance: 932fahrenheit-1382fahrenheit
Precision Grade: 6h

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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
Material	Stainless Steel; Carbon Steel
Type	Common
Model NO.	Light type, heavy type, super heavy type
Usage	Building, Machinery, Medical, Rocket, Shipping, Chemical
Rotation Direction	Right Rotation
Surface Finishing	Nickel Plated
Certification	ISO, RoHS
Customized	Customized
Shape	Two Pin Keys; Four Pin Keys
Temperature Tolerance	932fahrenheit-1382fahrenheit
Precision Grade	6h
Classification	Light Type/Heavy Type/Super Heavy Type
Transport Package	PE Bags+Cartons+Pallets
Specification	Package 30cm x 26cm x 18cm
Origin	China
HS Code	7318190000
Production Capacity	3000000 Pieces/Day
Accepted Payment Currency	USD;
Accepted Payment Type	T/T,L/C,MoneyGram,Western Union;
Language Spoken	English,Chinese.
Category	Thread Repair & Solid Threaded Inserts

Technical parameters

Specification(Light type)	Inner diameter B	Inner thread pitch	Length L	Outer diameter A	Outer thread pitch P	Installation bottom hole	Drilling depth
M20.4-L3-M40.7	M2	0.4	3	M4	0.7	3.4	4
M2.50.45-L3.8-M4.50.75	M2	0.45	3.8	M4.5	0.75	3.9	5
M30.45-L4.25-M50.8	M3	0.5	4.25	M5	0.8	4.4	5.5
M40.7-L5.25-M60.75	M4	0.7	5.25	M6	0.75	5.5	6.5
M50.8-L8-M81.25	M5	0.8	8	M8	1.25	6.9	9.5
M61.0-L10-M121.25	M6	1	10	M10	1.25	8.9	11.5
M81.25-L12-M121.25	M8	1.25	12	M12	1.25	10.9	13.5
M101.5-L14-M141.5	M10	1.5	14	M14	1.5	12.80	15.5
M101.25-L14-M141.5	M10	1.25	14	M14	1.5	12.80	15.5
M121.75-L16-M161.5	M12	1.75	16	M16	1.5	14.75	17.5
M121.5-L16-M161.5	M12	1.5	16	M16	1.5	14.75	17.5
M121.25-L16-M161.5	M12	1.25	16	M16	1.5	14.75	17.5

Specification(Heavy type)	Inner diameter B	Inner thread pitch	Length L	Outer diameter A	Outer thread pitch P	Installation bottom hole	Drilling depth
M40.7-L8-M81.25	M4	0.7	8	M8	1.25	6.9	9.5
M508-L10-M101.25	M5	0.8	10	M10	1.25	8.9	12.5
M61.0-L12-M121.25	M6	1.0	12	M12	1.25	10.9	14.5
M81.25-L14-M141.5	M8	1.25	14	M14	1.5	12.8	16.5
M81.0-L14-M141.5	M8	1	14	M14	1.5	12.8	16.5
M101 5-L16-M161.5	M10	1.5	16	M16	1.5	14.75	18.5
M10 1.25-L16-M16*1.5	M10	1.25	16	M16	1.5	14.75	18.5
M121.75-L18-M1815	M12	1.75	18	M18	1.5	16.75	20.5
M121.25-L18-M181.5	M12	1.25	18	M18	1.5	16.75	20.5
M142.0-L20-M201.5	M14	2	20	M20	1.5	18.75	22.5
M141.5-L20-M201.5	M14	1.5	20	M20	1.5	18.75	22.5
M162.0-L22-M221.5	M16	2	22	M22	1.5	20.70	24.5
M161.5-L22-M221.5	M16	1.5	22	M22	1.5	20.70	24.5
M181.5-L24-M241.5	M18	1.25	24	M24	1.5	22.70	26.5
M202.5-L30-M302.0	M20	2.2	30	M30	2	28.20	34.5
M201.5-L30-M302.0	M20	1.5	30	M30	2	28.20	34.5
M221.5-L32-M322.0	M22	1.75	32	M32	2	30.2	36.5
M243.0-L33-M332.0	M24	3	33	M33	2	31.2	37.5
M242.0-L33-M332.0	M24	2	33	M33	2	31.2	37.5

Description

Steel Wire Key Locking Threaded Inserts Product Type Thread Inserts is part of our thread repair & solid threaded inserts range (Threaded Inserts & Clinch Fasteners).

Key details

Type: Common
Material: Stainless Steel; Carbon Steel
Certification: ISO, RoHS
Usage: Building, Machinery, Medical, Rocket, Shipping, Chemical
Rotation Direction: Right Rotation
Surface Finishing: Nickel Plated
Shape: Two Pin Keys; Four Pin Keys
Temperature Tolerance: 932fahrenheit-1382fahrenheit

Available configurations include material, surface finishing, customized, temperature tolerance and precision grade. 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$1.44 – 1.80 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 Steel Wire Key Locking Threaded Inserts Product Type Thread Inserts?

The listed minimum order is 1 piece, at US$1.44 – 1.80 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$1.80 for 1–9 pieces; US$1.68 for 10–99 pieces; US$1.56 for 100–999 pieces; US$1.44 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 Steel Wire Key Locking Threaded Inserts Product Type Thread Inserts?

Type: Common; Material: Stainless Steel; Carbon Steel; Certification: ISO, RoHS; Usage: Building, Machinery, Medical, Rocket, Shipping, Chemical; Rotation Direction: Right Rotation; Surface Finishing: Nickel Plated. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, surface finishing, customized, temperature tolerance and precision grade. 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 thread repair & solid threaded inserts are available?

The Thread Repair & Solid Threaded Inserts category lists 961 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/threaded-inserts-clinch-fasteners/thread-repair-solid-threaded-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

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US$1.44 – 1.80MOQ 1 pieceGet a quote WA