--- title: "Stainless Steel 304 Precision Turning Inner Thread Double Head Inner Thread Circular Pipe Clamp Welding Screw Thd Spring Washer" description: "Stainless Steel 304 Precision Turning Inner Thread Double Head Inner Thread Circular Pip… — Spring & Split Lock Washers. MOQ 1,000 pieces, US$0.012 – 0.12." url: https://engineeringhardware.com/product/stainless-steel-304-precision-turning-inner-thread-double-head-inner-thread-circular/ source: Engineering Hardware & Fasteners --- # Stainless Steel 304 Precision Turning Inner Thread Double Head Inner Thread Circular Pipe Clamp Welding Screw Thd Spring Washer [![Stainless Steel 304 Precision Turning Inner Thread Double Head Inner Thread Circular Pipe Clamp Welding Screw Thd Spring Washer](https://img.engineeringhardware.com/Stainless-Steel-304-Precision-Turning-Inner-Thread-Double-Head-Inner-Thread-Circular-Pipe-Clamp-Welding-Screw-Thd-Spring-Washer.webp)](https://img.engineeringhardware.com/Stainless-Steel-304-Precision-Turning-Inner-Thread-Double-Head-Inner-Thread-Circular-Pipe-Clamp-Welding-Screw-Thd-Spring-Washer.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Washers › Spring & Split Lock Washers](https://engineeringhardware.com/fastener-products/washers/spring-split-lock-washers/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/stainless-steel-304-precision-turning-inner-thread-double-head-inner-thread-circular.md) Model no. **DIN127** US$0.012 – 0.12 / piece MOQ 1,000 pieces · Final price confirmed in your quote - **Material:** Stainless Steel - **Non-Standards:** OEM Is Available, According to Drawing or Samples - **Standard:** ASME/ANSI B18.22.1 USS/SAE, DIN125A, DIN125B, DIN126, DIN433, DIN440, DIN7349, DIN988, DIN9021,F436,F436M - **Diameter:** #6 - 3", M3-M72 - **Finish:** Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G, PTFE - **Packing:** bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand - **We work with various materials such as:** 304/316 Stainless Steel,Carbon Steel,High-Strength Alloy Steel,Aluminum, Copper, and Titanium Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Stainless%20Steel%20304%20Precision%20Turning%20Inner%20Thread%20Double%20Head%20Inner%20Thread%20Circular%20Pipe%20Clamp%20Welding%20Screw%20Thd%20Spring%20Washer%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fstainless-steel-304-precision-turning-inner-thread-double-head-inner-thread-circular%2F) 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 | Spring Washer | | Material | Stainless Steel | | Model NO. | DIN127 | | Combination Washer Structure | All Type | | Combination Washer Packaging | All Inclusive | | Spring Washer Type | Standard | | Minimumorder (MOQ) | According to Customer Demand | | Non-Standards | OEM Is Available, According to Drawing or Samples | | Transport Package | Foam Bags / Cartons / Wooden Cases | | Specification | #6 - 3", M3-M72 | | Origin | China | | Standard | ASME/ANSI B18.22.1 USS/SAE, DIN125A, DIN125B, DIN126, DIN433, DIN440, DIN7349, DIN988, DIN9021,F436,F436M | | Diameter | #6 - 3", M3-M72 | | Finish | Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G, PTFE | | Packing | bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand | | Equipments | Caliper, Go&No-go gauge, Tensile test machine, Hardness tester, Salt spraying tester, H.D.G thickness tester, 3D detector, Projector, Magnetic flaw detecter | | Supply Ability | 1000 tons per month | | Our productrange includes | Screws&Bolts,Nuts,Washers,CNC Turned Parts | | We work with various materials such as | 304/316 Stainless Steel,Carbon Steel,High-Strength Alloy Steel,Aluminum, Copper, and Titanium | | Category | [Spring & Split Lock Washers](https://engineeringhardware.com/fastener-products/washers/spring-split-lock-washers/) | ## Technical parameters | Standard: | ASME/ANSI B18.22.1 USS/SAE, DIN125A, DIN125B, DIN126, DIN433, DIN440, DIN7349, DIN988, DIN9021,F436,F436M | | --- | --- | | Diameter: | #6 - 3", M3-M72 | | Material: | Low Carbon Steel, C1045 Heat Treatment, Alloy Steel, Stainless Steel, Brass, Nylon | | Grade: | | | Finish: | Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G, PTFE | | Packing: | bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand | | Application: | Structural Steel; Metal Buliding; Oil&Gas;Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating | | Equipments: | Caliper, Go&No-go gauge, Tensile test machine, Hardness tester, Salt spraying tester, H.D.G thickness tester, 3D detector, Projector, Magnetic flaw detecter | | Supply Ability: | 1000 tons per month | ## Description Stainless Steel 304 Precision Turning Inner Thread Double Head Inner Thread Circular Pipe Clamp Welding Screw Thd Spring Washer is part of our spring & split lock washers range (Washers). ### Key details - **Type:** Spring Washer - **Material:** Stainless Steel - **Diameter:** #6 – 3", M3-M72 - **Finish:** Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G, PTFE - **Combination Washer Structure:** All Type - **Combination Washer Packaging:** All Inclusive - **Spring Washer Type:** Standard - **Minimumorder (MOQ):** According to Customer Demand Available configurations include material, non-standards, standard, diameter and finish. 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$0.012 – 0.12 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 Stainless Steel 304 Precision Turning Inner Thread Double Head Inner Thread Circular Pipe Clamp Welding Screw Thd Spring Washer? The listed minimum order is 1,000 pieces, at US$0.012 – 0.12 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 Stainless Steel 304 Precision Turning Inner Thread Double Head Inner Thread Circular Pipe Clamp Welding Screw Thd Spring Washer? Type: Spring Washer; Material: Stainless Steel; Diameter: #6 - 3", M3-M72; Finish: Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G, PTFE; Combination Washer Structure: All Type; Combination Washer Packaging: All Inclusive. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include material, non-standards, standard, diameter and finish. 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 spring & split lock washers are available? The Spring & Split Lock Washers category lists 1,593 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/washers/spring-split-lock-washers/](https://engineeringhardware.com/fastener-products/washers/spring-split-lock-washers/) 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 [![Production floor](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-01-production-floor-1024x683.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-01-production-floor.webp) Production floor [![Inspection bench](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-02-inspection-bench-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-02-inspection-bench.webp) Inspection bench [![Sorting & 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custom quote →](https://engineeringhardware.com/contact/) ## Request a quote for this product ## Related products [All Spring & Split Lock Washers →](https://engineeringhardware.com/fastener-products/washers/spring-split-lock-washers/) [![Black Phosphate Spring Lock Washer, Carbon Steel Split Lock Washer for Anti-Loosening Industrial Fastening](https://img.engineeringhardware.com/Black-Phosphate-Spring-Lock-Washer-Carbon-Steel-Split-Lock-Washer-for-Anti-Loosening-Industrial-Fastening.webp)](https://engineeringhardware.com/product/black-phosphate-spring-lock-washer-carbon-steel-split-lock-washer-for-anti-loosening/) Spring & Split Lock Washers ### [Black Phosphate Spring Lock Washer, Carbon Steel Split Lock Washer for Anti-Loosening Industrial Fastening](https://engineeringhardware.com/product/black-phosphate-spring-lock-washer-carbon-steel-split-lock-washer-for-anti-loosening/) Spring Washer · Carbon Steel **US$0.006 – 6.00**MOQ 50,000 pieces [![China All Inclusive Jieyou Pallet Nylon 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