--- title: "Factory Supply Hex Socket / Allen Drive Flat Head Socket Cap Screw / A2-70 Stainless Steel Countersunk Head Hex Socket Cap Screws DIN7991" description: "Factory Supply Hex Socket / Allen Drive Flat Head Socket Cap Screw / A2-70 Stainless Ste… — U-Bolts & J-Bolts. MOQ 1,000 pieces, US$0.0012 – 0.0036." url: https://engineeringhardware.com/product/factory-supply-hex-socket-allen-drive-flat-head-socket-cap-screw-a2-70-stainless/ source: Engineering Hardware & Fasteners --- # Factory Supply Hex Socket / Allen Drive Flat Head Socket Cap Screw / A2-70 Stainless Steel Countersunk Head Hex Socket Cap Screws DIN7991 [![Factory Supply Hex Socket / Allen Drive Flat Head Socket Cap Screw / A2-70 Stainless Steel Countersunk Head Hex Socket Cap Screws DIN7991](https://img.engineeringhardware.com/Factory-Supply-Hex-Socket-Allen-Drive-Flat-Head-Socket-Cap-Screw-A2-70-Stainless-Steel-Countersunk-Head-Hex-Socket-Cap-Screws-DIN7991.webp)](https://img.engineeringhardware.com/Factory-Supply-Hex-Socket-Allen-Drive-Flat-Head-Socket-Cap-Screw-A2-70-Stainless-Steel-Countersunk-Head-Hex-Socket-Cap-Screws-DIN7991.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Bolts › U-Bolts & J-Bolts](https://engineeringhardware.com/fastener-products/bolts/u-bolts-j-bolts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/factory-supply-hex-socket-allen-drive-flat-head-socket-cap-screw-a2-70-stainless.md) | **US$0.0036**1,000–4,999 pieces | **US$0.0012**5,000+ pieces | | --- | --- | MOQ 1,000 pieces · Final price confirmed in your quote - **Material:** Stainless Steel/Carbon Steel/Aluminum - **Head Style:** Counter Sunk Bolt - **Standard:** DIN, ANSI, GB, JIS, BSW - **Grade:** 4.6/8.8/9.8/10.9/12.9 Ect - **Finish:** Galvanized, Nickel-Plated, Blackened, Ect - **Color:** Black, Silver, Blue White Zinc - **Length:** 3mm-100mm - **Size:** Please Consult Customer Service Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Factory%20Supply%20Hex%20Socket%20%2F%20Allen%20Drive%20Flat%20Head%20Socket%20Cap%20Screw%20%2F%20A2-70%20Stainless%20Steel%20Countersunk%20Head%20Hex%20Socket%20Cap%20Screws%20DIN7991%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Ffactory-supply-hex-socket-allen-drive-flat-head-socket-cap-screw-a2-70-stainless%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 | | --- | --- | | Material | Stainless Steel/Carbon Steel/Aluminum | | Type | Hexagon, Square, T Head, U Bolt, Ect | | Connection | Common Bolt | | Head Style | Counter Sunk Bolt | | Standard | DIN, ANSI, GB, JIS, BSW | | Grade | 4.6/8.8/9.8/10.9/12.9 Ect | | Application | Machinery, Chemical Industry, Environmental, Building, Aotu Patrs | | Finish | Galvanized, Nickel-Plated, Blackened, Ect | | Product Name | Countersunk Head Allen Bolt/Flat Head Socket Cap | | Color | Black, Silver, Blue White Zinc | | Length | 3mm-100mm | | Measurement System | Inch, Metric | | Size | Please Consult Customer Service | | OEM/ODM | Accept | | Certificate | ISO9001 | | Thread | Full Thread or Half Thread | | Sample | Available | | Surface Treatment | Zinc, Black Phosphate, Blue Dyed, Blue Anodized | | MOQ | 1000PCS | | Delivery Time | 7-15 Days | | Packaging | Boxes+Carton+Pallet, or Customized | | Transport Package | 25kg/Bag | | Specification | Acoording to client's require to provide Model | | Origin | China Hebei | | HS Code | 7318151001 | | Production Capacity | 7000000/ Month | | Package Size | 50.00cm * 50.00cm * 30.00cm | | Package Gross Weight | 30.000kg | | Accepted Delivery Terms | FOB,CFR,CIF,EXW,FCA,DDU,Express Delivery; | | Accepted Payment Currency | USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF; | | Language Spoken | English,Chinese,Bengalese,Korean,Japanese,Arabic,French,Russian,,Spanish, | | Category | [U-Bolts & J-Bolts](https://engineeringhardware.com/fastener-products/bolts/u-bolts-j-bolts/) | ## Technical parameters | Standard: | DIN,ASTM/ANSI JIS EN ISO,AS,GB | | --- | --- | | Coating | Yellow/Zinc plated/blue/Black/Nickel plated ect | | Material | Stainless steel,Carbon steel, Brass, ect. | | Delivery | within 10-25 days after confirm the order | | Packing | 1.25kgs per bag 2.25kgs per bag/carton with pallet | | OEM/ODM | we can provide customization service as your request | | Sample | Free Samples for standard fastener | | Payment term | 30% TT in advance and 70% TT before shipment, | ## Description Factory Supply Hex Socket / Allen Drive Flat Head Socket Cap Screw / A2-70 Stainless Steel Countersunk Head Hex Socket Cap Screws DIN7991 is part of our u-bolts & j-bolts range (Bolts). ### Key details - **Type:** Hexagon, Square, T Head, U Bolt, Ect - **Standard:** DIN, ANSI, GB, JIS, BSW - **Material:** Stainless Steel/Carbon Steel/Aluminum - **Grade:** 4.6/8.8/9.8/10.9/12.9 Ect - **Size:** Please Consult Customer Service - **Thread:** Full Thread or Half Thread - **Length:** 3mm-100mm - **Head Style:** Counter Sunk Bolt Available configurations include material, head style, standard, grade 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$0.0012 – 0.0036 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 Factory Supply Hex Socket / Allen Drive Flat Head Socket Cap Screw / A2-70 Stainless Steel Countersunk Head Hex Socket Cap Screws DIN7991? The listed minimum order is 1,000 pieces, at US$0.0012 – 0.0036 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$0.0036 for 1,000–4,999 pieces; US$0.0012 for 5,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of Factory Supply Hex Socket / Allen Drive Flat Head Socket Cap Screw / A2-70 Stainless Steel Countersunk Head Hex Socket Cap Screws DIN7991? Type: Hexagon, Square, T Head, U Bolt, Ect; Standard: DIN, ANSI, GB, JIS, BSW; Material: Stainless Steel/Carbon Steel/Aluminum; Grade: 4.6/8.8/9.8/10.9/12.9 Ect; Size: Please Consult Customer Service; Thread: Full Thread or Half Thread. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include material, head style, standard, grade 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 u-bolts & j-bolts are available? The U-Bolts & J-Bolts category lists 2,391 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/bolts/u-bolts-j-bolts/](https://engineeringhardware.com/fastener-products/bolts/u-bolts-j-bolts/) 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 & packing](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-03-sorting-and-packing-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-03-sorting-and-packing.webp) Sorting & packing [![Parts warehouse](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-04-parts-warehouse-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-04-parts-warehouse.webp) Parts warehouse [![Sample review](https://engineeringhardware.com/wp-content/uploads/2026/11/office-02-office-sample-review-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/office-02-office-sample-review.webp) Sample review [![Sales office](https://engineeringhardware.com/wp-content/uploads/2026/11/office-01-daily-sales-office-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/office-01-daily-sales-office.webp) Sales office [More about us →](https://engineeringhardware.com/about/) · [Request a sample or custom quote →](https://engineeringhardware.com/contact/) ## Request a quote for this product ## Related products [All U-Bolts & J-Bolts →](https://engineeringhardware.com/fastener-products/bolts/u-bolts-j-bolts/) [![DIN 741 U-Bolt Clamps / Outdoor Tent & Canopy Cable Grips for Rope Securing & Wind Resistance](https://img.engineeringhardware.com/DIN-741-U-Bolt-Clamps-Outdoor-Tent-Canopy-Cable-Grips-for-Rope-Securing-Wind-Resistance.webp)](https://engineeringhardware.com/product/din-741-u-bolt-clamps-outdoor-tent-canopy-cable-grips-for-rope-securing-wind/) U-Bolts & J-Bolts ### [DIN 741 U-Bolt Clamps / Outdoor Tent & Canopy Cable Grips for Rope Securing & Wind Resistance](https://engineeringhardware.com/product/din-741-u-bolt-clamps-outdoor-tent-canopy-cable-grips-for-rope-securing-wind/) Standard · Carbon Steel, Metal **US$0.0107 – 0.0318**MOQ 100 pieces [![Passivation Stainless Steel U Bolt Customized High Quality M3-M64 Full & Half Thread U Shaped for Marine Solar Industrial Pipeline 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Standard · Metal **US$0.58 – 0.60**MOQ 10 pieces **US$0.0012 – 0.0036**MOQ 1,000 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Factory%20Supply%20Hex%20Socket%20%2F%20Allen%20Drive%20Flat%20Head%20Socket%20Cap%20Screw%20%2F%20A2-70%20Stainless%20Steel%20Countersunk%20Head%20Hex%20Socket%20Cap%20Screws%20DIN7991%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Ffactory-supply-hex-socket-allen-drive-flat-head-socket-cap-screw-a2-70-stainless%2F)