Standard & made-to-drawing parts
Checked before shipping
Air, sea & express delivery

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

Internal Thread Insert Hollow Screw Sleeve Rebar Coupler Grouting Rebar Building Materials Hexagonal

Updated 2026-11-04 · Markdown version

Model no. 13-35mm

US$0.24500–599 pieces

US$0.35600–699 pieces

US$0.41700–799 pieces

US$0.74800–999 pieces

US$0.901,000+ pieces

MOQ 500 pieces · Final price confirmed in your quote

Head Code: Round
Thread Distribution: Internal Thread
Surface: Polish
Material: Carbon Steel
Customized: Customized
S45C -yield strength 420Mpa, Tensile strength: 600-650MPa
Size: 16mm/18mm/20mm/25mm/28mm/32mm/36mm/40mm
Packing: By bags and pallets packing, or wooden case packing as required (25KG smaller packing, 1700KG per pallet)

Get a quote WhatsApp

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
Connection	Welding
Head Code	Round
Model NO.	13-35mm
Thread Distribution	Internal Thread
Surface	Polish
Material	Carbon Steel
Technics	Casting
Application	Oil Pipe
Customized	Customized
Certification	CQC
Warranty	1 Year
Delivery Time	10-15days
Transport Package	Bag and Pallet
Specification	1.1*1.1
Origin	China
HS Code	7318190000
Production Capacity	15000000PCS
Name	Thread Rebar Couplers Standard Type
Used for Rebar	HRB400/Grade 65/ and so on with rebar yield strength same as 500Mpa or lower than that.
S45C -yield strength 420Mpa, Tensile strength	600-650MPa
Size	16mm/18mm/20mm/25mm/28mm/32mm/36mm/40mm
Packing	By bags and pallets packing, or wooden case packing as required (25KG smaller packing, 1700KG per pallet)
Sample	Free existing samples for checking dimension and quality
Production time	15-40 days based on different quantity after receive the prepayment
Shipping Port	Xingang,Tianjin Port, Shanghai Port, China.
Payment Terms	TT / LC
Certificate	ISO/ CE
Category	Thread Repair & Solid Threaded Inserts

Technical parameters

Name:	Thread Rebar Couplers Standard Type
Used for Rebar:	HRB400/Grade 65/ and so on with rebar yield strength same as 500Mpa or lower than that.
Raw Material:	S45C -yield strength 420Mpa, Tensile strength: 600-650MPa
Size:	16mm/18mm/20mm/25mm/28mm/32mm/36mm/40mm
Packing:	By bags and pallets packing, or wooden case packing as required (25KG smaller packing, 1700KG per pallet)
Sample:	Free existing samples for checking dimension and quality
Production time:	15-40 days based on different quantity after receive the prepayment
Shipping Port:	Xingang,Tianjin Port, Shanghai Port, China.
Payment Terms:	TT / LC
Certificate:	ISO/ CE

SIZE (mm)	Out Diameter (mm)	Length (mm)	Pitch (mm)	N.W (KG)	PACKING IN ONE BAG (NOS)	1 BAG WEIGHT (KG)	Approvals/ Certificate
16	24	42	2.5	0.092	250	23.00	CE / ISO
18	27	45	2.5	0.136	200	27.20	CE / ISO
20	30	50	2.5	0.159	132	20.98	CE / ISO
22	33	54	2.5	0.21	121	25.41	CE / ISO
25	38	62	3.0	0.34	80	27.20	CE / ISO
28	42	68	3.0	0.46	56	25.76	CE / ISO
32	48	76	3.0	0.633	42	26.58	CE / ISO
36	53	84	3.0	0.905	27	24.43	CE / ISO
40	59	95	3.0	1.16	25	29.00	CE / ISO

Description

Internal Thread Insert Hollow Screw Sleeve Rebar Coupler Grouting Rebar Building Materials Hexagonal is part of our thread repair & solid threaded inserts range (Threaded Inserts & Clinch Fasteners).

Key details

Material: Carbon Steel
Size: 16mm/18mm/20mm/25mm/28mm/32mm/36mm/40mm
Connection: Welding
Application: Oil Pipe
Certification: CQC
Head Code: Round
Thread Distribution: Internal Thread
Surface: Polish

Available configurations include head code, thread distribution, surface, material and customized. 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$0.24 – 0.90 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 Internal Thread Insert Hollow Screw Sleeve Rebar Coupler Grouting Rebar Building Materials Hexagonal?

The listed minimum order is 500 pieces, at US$0.24 – 0.90 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 500–599 pieces; US$0.35 for 600–699 pieces; US$0.41 for 700–799 pieces; US$0.74 for 800–999 pieces; US$0.90 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 Internal Thread Insert Hollow Screw Sleeve Rebar Coupler Grouting Rebar Building Materials Hexagonal?

Material: Carbon Steel; Size: 16mm/18mm/20mm/25mm/28mm/32mm/36mm/40mm; Connection: Welding; Application: Oil Pipe; Certification: CQC; Head Code: Round. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include head code, thread distribution, surface, material and customized. 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

More about us → · Request a sample or custom quote →

Request a quote for this product

US$0.24 – 0.90MOQ 500 piecesGet a quote WA