--- title: "ISO7379 Class12.9 Hex Socket Head Step Shoulder Screws" description: "ISO7379 Class12.9 Hex Socket Head Step Shoulder Screws — Socket Head Cap & Allen Screws. MOQ 1,000 pieces, US$0.12 – 0.60." url: https://engineeringhardware.com/product/iso7379-class12-9-hex-socket-head-step-shoulder-screws/ source: Engineering Hardware & Fasteners --- # ISO7379 Class12.9 Hex Socket Head Step Shoulder Screws [![ISO7379 Class12.9 Hex Socket Head Step Shoulder Screws](https://img.engineeringhardware.com/ISO7379-Class12-9-Hex-Socket-Head-Step-Shoulder-Screws-2.webp)](https://img.engineeringhardware.com/ISO7379-Class12-9-Hex-Socket-Head-Step-Shoulder-Screws-2.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Screws › Socket Head Cap & Allen Screws](https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/iso7379-class12-9-hex-socket-head-step-shoulder-screws.md) Model no. **ISO7379** | **US$0.60**1,000–99,999 pieces | **US$0.36**100,000–999,999 pieces | **US$0.12**1,000,000+ pieces | | --- | --- | --- | MOQ 1,000 pieces · Final price confirmed in your quote - **Head Style:** Round - **Standard:** DIN - **Grade:** 8.8 10.9 12.9 A2-70 - **Package Size:** 28.00cm * 25.00cm * 13.50cm - **Material:** Carbon Steel, Alloy Steel Stainless Steel,Brass - **Diameter:** M1.4-M56, 0#-80, 3#-48, 2#-56, 4#-40, 4#-48, 6#-32, 8#-32, 10#-24, 10#-32, 10#, 12#-24, 1/4-28, 1/8-40, 5/32-32, 1/4*3/16-24, 3/16-24, 1/4-20, 5/16*1/4-20, 5/16-18, 5/16-24, 3/8*5/16-18, 3/8-16, 3/8-24, 1/2*3/8-16, 7/16-14, 1/2-13, 1/2-12, 5/8*1/2-12, 5/8*1/2-13, 5/8-11, 3/4-10, 7/8-9, 1-1/2-6, Φ4, 6, Φ6, Φ10, 1"-8, 1-8 - **Thread:** M,UNC,UNF - **Finish:** Plain, Black oxide, Blue-White Zinc, Zinc Plated(Clear/Blue/Yellow/Black), Nickel, Chrome,Dacromet,Zinc Nickel. Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20ISO7379%20Class12.9%20Hex%20Socket%20Head%20Step%20Shoulder%20Screws%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fiso7379-class12-9-hex-socket-head-step-shoulder-screws%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 | Model NO. | ISO7379 | | --- | --- | | Groove | Special Shape | | Connection | Common Bolt | | Head Style | Round | | Standard | DIN | | Grade | 8.8 10.9 12.9 A2-70 | | MOQ | 1000PCS | | Certification | ISO9001 | | Application | General Industry | | European Anti-Dumping | 39.6% | | Delivery Time | 25 Days | | Durability | Enhanced | | Transport Package | 25kg/Carton+Pallet | | Specification | M5-M20 | | Origin | Ningbo, Zhejiang | | HS Code | 7318151001 | | Production Capacity | 2500tons/Month | | Package Size | 28.00cm * 25.00cm * 13.50cm | | Package Gross Weight | 22.000kg | | Customization | Available | | Material | Carbon Steel, Alloy Steel Stainless Steel,Brass | | Type | Round Head | | Shipping Cost | Contact the supplier about freight and estimated delivery time. | | Category | ANSI/ASME B18.3, ANSI/ASME B18.3BT, ANSI/ASME B18.3F, ANSI/ASME B18.3LSH, ANSI/ASME B18.3SH, BS2470, DIN251, DIN6912, DIN7984, DIN7991, DIN912, GB70GB70.1, GB70.1, GB70.2, GB70.3, GB70-76, GB70-85, GB819, ISO10642, ISO7379, ISO7380, ISO7380-2, JISB1174, JISB1194 or according to customer special demand. | | Diameter | M1.4-M56, 0#-80, 3#-48, 2#-56, 4#-40, 4#-48, 6#-32, 8#-32, 10#-24, 10#-32, 10#, 12#-24, 1/4-28, 1/8-40, 5/32-32, 1/4*3/16-24, 3/16-24, 1/4-20, 5/16*1/4-20, 5/16-18, 5/16-24, 3/8*5/16-18, 3/8-16, 3/8-24, 1/2*3/8-16, 7/16-14, 1/2-13, 1/2-12, 5/8*1/2-12, 5/8*1/2-13, 5/8-11, 3/4-10, 7/8-9, 1-1/2-6, Φ4, 6, Φ6, Φ10, 1"-8, 1-8 | | Thread | M,UNC,UNF | | Finish | Plain, Black oxide, Blue-White Zinc, Zinc Plated(Clear/Blue/Yellow/Black), Nickel, Chrome,Dacromet,Zinc Nickel. | | Our main products are fasteners | bolts, screws, rods, nuts, washers, anchors and rivets. | | Keyword | china supplies,OEM/ODM,Manufacturer,screw,bolt,hardware.bolt and nut,fastener,carbon steel,fange nut.hexagonal nut.stainless steel nut,zlfastener,sinofastener | | Category | [Socket Head Cap & Allen Screws](https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/) | ## Technical parameters | Standard: | DIN, GB, ANSI/ASME, ISO, JIS | | --- | --- | | Category: | ANSI/ASME B18.3, ANSI/ASME B18.3BT, ANSI/ASME B18.3F, ANSI/ASME B18.3LSH, ANSI/ASME B18.3SH, BS2470, DIN251, DIN6912, DIN7984, DIN7991, DIN912, GB70GB70.1, GB70.1, GB70.2, GB70.3, GB70-76, GB70-85, GB819, ISO10642, ISO7379, ISO7380, ISO7380-2, JISB1174, JISB1194 or according to customer special demand. | | Diameter: | M1.4-M56, 0#-80, 3#-48, 2#-56, 4#-40, 4#-48, 6#-32, 8#-32, 10#-24, 10#-32, 10#, 12#-24, 1/4-28, 1/8-40, 5/32-32, 1/4*3/16-24, 3/16-24, 1/4-20, 5/16*1/4-20, 5/16-18, 5/16-24, 3/8*5/16-18, 3/8-16, 3/8-24, 1/2*3/8-16, 7/16-14, 1/2-13, 1/2-12, 5/8*1/2-12, 5/8*1/2-13, 5/8-11, 3/4-10, 7/8-9, 1-1/2-6, Φ4, 6, Φ6, Φ10, 1"-8, 1-8 | | Grade: | A2-50, A2-70, A2-070, A2-80, A4, A4-70, A4-070, A4-80, A4-100, A574, D2-80, D6, F593C, F593G, Grade 4.8, 8.8, 10.9, 12.9, 14.9, US grade 5,8 or according to customer special demand. | | Material: | 1.Carbon steel: C1006,C1008,C1010,C1018A,C1022,C1035K,C1045K, etc. | | 2.Stainless steel: SS301 SS302,SS303,SS304,SS316,SS410,SS416,SS420,SS430, etc. | | | 3.Steel:C15,C35,C45(K1045)S45C,C46(K1046),C20, etc. | | | 4.Copper:Brass(C3602,C3604,H59,H62,H65,H68,H70,H90),etc. Phosphor bronze,Silicon bronze,Red copper,Beryllium copper and Copper, etc. | | | 5.Iron: 12L13,12L14,12L15, etc. | | | 6.Aluminum:AL6061,AL6063,7075, etc. | | | 7.Titanium or titanium alloy: TAD,TA1-TA8, TB2,TC1-TC10, etc. | | | 8.Silver or silver alloy:AgCu3,AgCu7.5,AgSn3-5,AgPb0.4-0.7,AgPd3-5,AgNi10, etc. | | | 9.Alloy steel:SCM435,10B21,40Cr, etc. | | | Thread: | M,UNC,UNF | | Finish: | Plain, Black oxide, Blue-White Zinc, Zinc Plated(Clear/Blue/Yellow/Black), Nickel, Chrome,Dacromet,Zinc Nickel. | ## Description ISO7379 Class12.9 Hex Socket Head Step Shoulder Screws is part of our socket head cap & allen screws range (Screws). ### Key details - **Type:** Round Head - **Standard:** DIN - **Material:** Carbon Steel, Alloy Steel Stainless Steel,Brass - **Grade:** 8.8 10.9 12.9 A2-70 - **Thread:** M,UNC,UNF - **Head Style:** Round - **Groove:** Special Shape - **Connection:** Common Bolt Available configurations include head style, standard, grade, package size and 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$0.12 – 0.60 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 ISO7379 Class12.9 Hex Socket Head Step Shoulder Screws? The listed minimum order is 1,000 pieces, at US$0.12 – 0.60 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$0.60 for 1,000–99,999 pieces; US$0.36 for 100,000–999,999 pieces; US$0.12 for 1,000,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of ISO7379 Class12.9 Hex Socket Head Step Shoulder Screws? Type: Round Head; Standard: DIN; Material: Carbon Steel, Alloy Steel Stainless Steel,Brass; Grade: 8.8 10.9 12.9 A2-70; Thread: M,UNC,UNF; Head Style: 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 style, standard, grade, package 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 socket head cap & allen screws are available? The Socket Head Cap & Allen Screws category lists 2,042 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/](https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/) 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 Socket Head Cap & Allen Screws →](https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/) [![High Strength Metal Fastener Cylindrical Head Hex Socket Cap Screw](https://img.engineeringhardware.com/High-Strength-Metal-Fastener-Cylindrical-Head-Hex-Socket-Cap-Screw-2.webp)](https://engineeringhardware.com/product/high-strength-metal-fastener-cylindrical-head-hex-socket-cap-screw-2/) Socket Head Cap & Allen Screws ### [High Strength Metal Fastener Cylindrical Head Hex Socket Cap Screw](https://engineeringhardware.com/product/high-strength-metal-fastener-cylindrical-head-hex-socket-cap-screw-2/) Carbon Steel · 8.8 **US$0.072 – 2.40**MOQ 10 pieces [![ISO4762-1997, Jisb1176-1988, GB/T70.1-2000, Hexagon Socket Head Cap Screws](https://img.engineeringhardware.com/ISO4762-1997-Jisb1176-1988-GB-T70-1-2000-Hexagon-Socket-Head-Cap-Screws.webp)](https://engineeringhardware.com/product/iso4762-1997-jisb1176-1988-gb-t70-1-2000-hexagon-socket-head-cap-screws/) Socket Head Cap & Allen Screws ### [ISO4762-1997, Jisb1176-1988, GB/T70.1-2000, Hexagon Socket Head Cap Screws](https://engineeringhardware.com/product/iso4762-1997-jisb1176-1988-gb-t70-1-2000-hexagon-socket-head-cap-screws/) Carbon Steel · Plain,Passivating,Black,Color-Zinc,Blue-White Zin **US$0.012**MOQ 100 pieces [![Carbon Steel Black Oxide Long Size Socket Cap Screw DIN912 with Plastic Nylon Packing](https://img.engineeringhardware.com/Carbon-Steel-Black-Oxide-Long-Size-Socket-Cap-Screw-DIN912-with-Plastic-Nylon-Packing.webp)](https://engineeringhardware.com/product/carbon-steel-black-oxide-long-size-socket-cap-screw-din912-with-plastic-nylon-packing/) Socket Head Cap & Allen Screws ### [Carbon Steel Black Oxide Long Size Socket Cap Screw DIN912 with Plastic Nylon Packing](https://engineeringhardware.com/product/carbon-steel-black-oxide-long-size-socket-cap-screw-din912-with-plastic-nylon-packing/) Round Head · DIN, GB, ANSI, JIS **US$0.0144 – 0.12**MOQ 10,000 pieces [![DIN912 with Grade 10.9 White Zinc Plated Hex Socket Head Cap Screw M3-M30 Alloy Steel Full Thread Fine Thread with or Without Knurling](https://img.engineeringhardware.com/DIN912-with-Grade-10-9-White-Zinc-Plated-Hex-Socket-Head-Cap-Screw-M3-M30-Alloy-Steel-Full-Thread-Fine-Thread-with-or-Without-Knurling.webp)](https://engineeringhardware.com/product/din912-with-grade-10-9-white-zinc-plated-hex-socket-head-cap-screw-m3-m30-alloy/) Socket Head Cap & Allen Screws ### [DIN912 with Grade 10.9 White Zinc Plated Hex Socket Head Cap Screw M3-M30 Alloy Steel Full Thread Fine Thread with or Without Knurling](https://engineeringhardware.com/product/din912-with-grade-10-9-white-zinc-plated-hex-socket-head-cap-screw-m3-m30-alloy/) Hexagon Head · DIN, GB, ANSI, BSW, JIS, GOST **US$0.14 – 0.30**MOQ 1,000 pieces [![Alloy Steel Metric Class 12.9 High Tensile Black Oxide Coarse Thread DIN 912 Socket Head Cap Screw](https://img.engineeringhardware.com/Alloy-Steel-Metric-Class-12-9-High-Tensile-Black-Oxide-Coarse-Thread-DIN-912-Socket-Head-Cap-Screw.webp)](https://engineeringhardware.com/product/alloy-steel-metric-class-12-9-high-tensile-black-oxide-coarse-thread-din-912-socket/) Socket Head Cap & Allen Screws ### [Alloy Steel Metric Class 12.9 High Tensile Black Oxide Coarse Thread DIN 912 Socket Head Cap Screw](https://engineeringhardware.com/product/alloy-steel-metric-class-12-9-high-tensile-black-oxide-coarse-thread-din-912-socket/) Round Head · DIN, GB, ANSI, BSW, JIS, GOST **US$0.072 – 0.096**MOQ 10,000 pieces [![DIN912//ISO 4762/Zq 4725 Hex Socket Head Cap Screws/Hex Socket Head Cap Screws-Thin Type](https://img.engineeringhardware.com/DIN912-ISO-4762-Zq-4725-Hex-Socket-Head-Cap-Screws-Hex-Socket-Head-Cap-Screws-Thin-Type.webp)](https://engineeringhardware.com/product/din912-iso-4762-zq-4725-hex-socket-head-cap-screws-hex-socket-head-cap-screws-thin/) Socket Head Cap & Allen Screws ### [DIN912//ISO 4762/Zq 4725 Hex Socket Head Cap Screws/Hex Socket Head Cap Screws-Thin Type](https://engineeringhardware.com/product/din912-iso-4762-zq-4725-hex-socket-head-cap-screws-hex-socket-head-cap-screws-thin/) Countersunk Head · DIN, GB, ANSI, BSW, JIS **US$0.17**MOQ 100 pieces [![ISO21269 Hex Socket Head Cap A2-70 Screws with Metric Fine Pitch Thread M6*25](https://img.engineeringhardware.com/ISO21269-Hex-Socket-Head-Cap-A2-70-Screws-with-Metric-Fine-Pitch-Thread-M6-25.webp)](https://engineeringhardware.com/product/iso21269-hex-socket-head-cap-a2-70-screws-with-metric-fine-pitch-thread-m6-25/) Socket Head Cap & Allen Screws ### [ISO21269 Hex Socket Head Cap A2-70 Screws with Metric Fine Pitch Thread M6*25](https://engineeringhardware.com/product/iso21269-hex-socket-head-cap-a2-70-screws-with-metric-fine-pitch-thread-m6-25/) Round Head · DIN, GB, ANSI, BSW, JIS, GOST **US$960.00 – 1,440**MOQ 1 ton [![Carbon Steel Hex Socket Head Cap Screw](https://img.engineeringhardware.com/Carbon-Steel-Hex-Socket-Head-Cap-Screw.webp)](https://engineeringhardware.com/product/carbon-steel-hex-socket-head-cap-screw/) Socket Head Cap & Allen Screws ### [Carbon Steel Hex Socket Head Cap Screw](https://engineeringhardware.com/product/carbon-steel-hex-socket-head-cap-screw/) Hexagon Head · DIN, GB, ANSI, JIS **US$0.048 – 0.096**MOQ 5,000 pieces **US$0.12 – 0.60**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%20ISO7379%20Class12.9%20Hex%20Socket%20Head%20Step%20Shoulder%20Screws%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fiso7379-class12-9-hex-socket-head-step-shoulder-screws%2F)