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Specialty Fasteners › Turnbuckles & Threaded Tensioners

Marine Hardware Locks/ Adjustable O – Thread Ring /Hook Turnbuckle/Hook Type Lock

Updated 2026-11-04 · Markdown version

Model no. Various models

US$1.20 – 6.00 / piece

MOQ 100 pieces · Final price confirmed in your quote

Size: Customized Size
Material: Carbon Steel/Galvanized/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

Customization	Available
Type	Block Ring
Size	Customized Size
Model NO.	Various models
Material	Carbon Steel/Galvanized/Stainless Steel
Processing Technic	Forging/Welding
Transport Package	Export Packing
Specification	variety of sizes
Origin	Hebei
HS Code	7318190000
Production Capacity	5000
Category	Turnbuckles & Threaded Tensioners

Technical parameters

SIZE(mm)	C(mm)	B(mm)	D(mm)	diameter screw(mm)	L(mm)	L1(mm)	kg/piece
M4	5.9	58	9.8	3.8	106	147	0.035
M5	5.9	78	9.8	4.4	125	185	0.038
M6	7.2	91	10.8	5.5	145	217	0.075
M8	7.6	120	13.2	7.3	186	281	0.128
M10	10.9	150	15.6	9.3	237	356	0.263
M12	13.5	197	19.8	11.6	300	460	0.482
M16	19.4	245	28.8	15.4	380	585	0.998
M20	21.8	294	31.2	19.2	460	695	1.943
M24	25.5	352	40.1	23.9	585	813	3.756

Description

Marine Hardware Locks/ Adjustable O – Thread Ring /Hook Turnbuckle/Hook Type Lock is part of our turnbuckles & threaded tensioners range (Specialty Fasteners).

Key details

Type: Block Ring
Material: Carbon Steel/Galvanized/Stainless Steel
Size: Customized Size
Processing Technic: Forging/Welding

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

Ordering through Engineering Hardware & Fasteners

Minimum order is 100 pieces at US$1.20 – 6.00 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 Marine Hardware Locks/ Adjustable O – Thread Ring /Hook Turnbuckle/Hook Type Lock?

The listed minimum order is 100 pieces, at US$1.20 – 6.00 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

What are the main specifications of Marine Hardware Locks/ Adjustable O – Thread Ring /Hook Turnbuckle/Hook Type Lock?

Type: Block Ring; Material: Carbon Steel/Galvanized/Stainless Steel; Size: Customized Size; Processing Technic: Forging/Welding. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include 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 turnbuckles & threaded tensioners are available?

The Turnbuckles & Threaded Tensioners category lists 2,415 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/specialty-fasteners/turnbuckles-threaded-tensioners/

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$1.20 – 6.00MOQ 100 piecesGet a quote WA