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Pins & Dowel Fasteners › Weld, Insulation & Other Fastening Pins

Reliable Cup Head Weld Pins for Duct Insulation

Updated 2026-11-04 · Markdown version

Model no. Insulation Pin

US$0.481,000–9,999 pieces

US$0.03610,000+ pieces

MOQ 1,000 pieces · Final price confirmed in your quote

Grade: A
Customized: Customized
Coating: Copper, Polished, Zinc
Standard: ISO13918; ANSI/Aws D1.1; JIS B1198; GB/T 10433
Raw Material: Mild Steel, Stainless Steel
Shank Diameter: 1.8mm/2.7mm or as Customer Require
Head Diameter: 14.5mm-250mm or as Customer Require
Package Size: 10.00cm * 10.00cm * 10.00cm

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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.	Insulation Pin
Grade	A
Certification	ISO, CE
Customized	Customized
Coating	Copper, Polished, Zinc
Product Name	Insulation Pin
Standard	ISO13918; ANSI/Aws D1.1; JIS B1198; GB/T 10433
Raw Material	Mild Steel, Stainless Steel
Shank Diameter	1.8mm/2.7mm or as Customer Require
Head Diameter	14.5mm-250mm or as Customer Require
Certificate	CE, SGS
Payment	T/T, 40% Deposit
Type	for Shipbuilding, Construction or Other Insulation
Transport Package	Plastic Bag+Outer Carton Box
Specification	Customized
Origin	Tianjin, China
HS Code	7318290000
Production Capacity	2200ton/Month
Package Size	10.00cm * 10.00cm * 10.00cm
Package Gross Weight	10.000kg
Customization	Available
Material	Stainless Steel
Surface Finishing	None
Shipping Cost	Contact the supplier about freight and estimated delivery time.
Pin	Stainless steel, carbon steel, copper, alloy
Base	high stength Galvanized steel, stainless steel
Category	Weld, Insulation & Other Fastening Pins

Technical parameters

Cup Head Weld Pins
Specification	1-1/4", 1-1/2", 2", 2-1/2", 3", 4", 4-1/2"
Material	Pin: Stainless steel, carbon steel, copper, alloy
Base: high stength Galvanized steel, stainless steel
Surface treatement	Copper plated or Galvanized plated.
Products Features	Simple construction, high efficiency, save manpower; Easy weld to fasten the insulation; Sharp pins easily go through; Cup head pins with paper washers are used for aluminum foil faced insulation; Cup head pins with sleeves are sued for tin foil faced insulation; Length tolerance ±0.1mm.
Packing	Plastic Bag+ Carton or as customer requires
Production Capacity	10000 Pcs/hour
Delivery	Within 15-20 days after confirming the deposit
Application	fasten the insulation or insulation sheet, such as air duct work insulation, marine

Description

Reliable Cup Head Weld Pins for Duct Insulation is part of our weld, insulation & other fastening pins range (Pins & Dowel Fasteners).

Key details

Type: for Shipbuilding, Construction or Other Insulation
Standard: ISO13918; ANSI/Aws D1.1; JIS B1198; GB/T 10433
Material: Stainless Steel
Grade: A
Certification: ISO, CE
Coating: Copper, Polished, Zinc
Product Name: Insulation Pin
Raw Material: Mild Steel, Stainless Steel

Available configurations include grade, customized, coating, standard and raw material. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 1,000 pieces at US$0.036 – 0.48 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 Reliable Cup Head Weld Pins for Duct Insulation?

The listed minimum order is 1,000 pieces, at US$0.036 – 0.48 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$0.48 for 1,000–9,999 pieces; US$0.036 for 10,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Reliable Cup Head Weld Pins for Duct Insulation?

Type: for Shipbuilding, Construction or Other Insulation; Standard: ISO13918; ANSI/Aws D1.1; JIS B1198; GB/T 10433; Material: Stainless Steel; Grade: A; Certification: ISO, CE; Coating: Copper, Polished, Zinc. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include grade, customized, coating, standard and raw 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 weld, insulation & other fastening pins are available?

The Weld, Insulation & Other Fastening Pins category lists 789 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/pins-dowel-fasteners/weld-insulation-other-fastening-pins/

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$0.036 – 0.48MOQ 1,000 piecesGet a quote WA