--- title: "Hex Socket Shoulder Screw M3 Half Thread Shaft Locating Bolt For Sensor Bracket" description: "Hex Socket Shoulder Screw M3 Half Thread Shaft Locating Bolt For Sensor Bracket — Socket Head Cap & Allen Screws. MOQ 10,000 pieces, US$0.0108 – 0.24." url: https://engineeringhardware.com/product/hex-socket-shoulder-screw-m3-half-thread-shaft-locating-bolt-for-sensor-bracket/ source: Engineering Hardware & Fasteners --- # Hex Socket Shoulder Screw M3 Half Thread Shaft Locating Bolt For Sensor Bracket [![Hex Socket Shoulder Screw M3 Half Thread Shaft Locating Bolt For Sensor Bracket](https://img.engineeringhardware.com/Hex-Socket-Shoulder-Screw-M3-Half-Thread-Shaft-Locating-Bolt-For-Sensor-Bracket.webp)](https://img.engineeringhardware.com/Hex-Socket-Shoulder-Screw-M3-Half-Thread-Shaft-Locating-Bolt-For-Sensor-Bracket.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/hex-socket-shoulder-screw-m3-half-thread-shaft-locating-bolt-for-sensor-bracket.md) Model no. **hex socket shoulder screw** | **US$0.24**10,000–999,999 pieces | **US$0.21**1,000,000–9,999,999 pieces | **US$0.0108**10,000,000+ pieces | | --- | --- | --- | MOQ 10,000 pieces · Final price confirmed in your quote - **Head Style:** Low Cap Shoulder Head,Drawing Custom - **Grade:** 10.9 - **Finish:** Black Oxide,Quenching,Zinc Plating,Passivation - **Color:** Black,Blue,Gold,Rainbow,Red,Green - **Custom:** OEM ODM Drawing & Sample Custom - **Tolerance:** ±0.02mm - **Package Size:** 50.00cm * 50.00cm * 50.00cm - **Material:** 45#/40Cr/12.9 Alloy Steel,304/316 Stainless Steel Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Hex%20Socket%20Shoulder%20Screw%20M3%20Half%20Thread%20Shaft%20Locating%20Bolt%20For%20Sensor%20Bracket%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fhex-socket-shoulder-screw-m3-half-thread-shaft-locating-bolt-for-sensor-bracket%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. | hex socket shoulder screw | | --- | --- | | Groove | Hex Socket | | Connection | Common Bolt | | Head Style | Low Cap Shoulder Head,Drawing Custom | | Grade | 10.9 | | Finish | Black Oxide,Quenching,Zinc Plating,Passivation | | Application | Sensor Bracket,Shaft Positioning,Automation Fixtur | | Color | Black,Blue,Gold,Rainbow,Red,Green | | Custom | OEM ODM Drawing & Sample Custom | | Tolerance | ±0.02mm | | Feature | Precision Locating Non-Standard | | Transport Package | Carton packing / Plastic bag inside | | Specification | M2,M3,M4,M5,M6,M8,M10 or customized | | Origin | Ningbo,China | | HS Code | 01 | | Package Size | 50.00cm * 50.00cm * 50.00cm | | Package Gross Weight | 50.000kg | | Customization | Available | | Material | 45#/40Cr/12.9 Alloy Steel,304/316 Stainless Steel | | Type | Low Head Hex Socket Shoulder Screw | | Shipping Cost | Contact the supplier about freight and estimated delivery time. | | Regular custom MOQ | 10000pcs. Smaller quantities negotiable, small batch customization supported | | OEM sample | 15-20 working days; Mass production:10-20 working days. Varies by material, quantity and process | | Category | [Socket Head Cap & Allen Screws](https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/) | ## Technical parameters | Parameter | Specification / Options | | --- | --- | | Product Type | Shoulder screw, low head hex socket shoulder bolt, half thread locating shaft pin, custom sensor bracket fastener | | Material | 45# Steel, 40Cr Alloy Steel, Grade12.9 Alloy Steel, 304/316 Stainless Steel | | Thread Type | Metric M3; M1.2~M16 available; Imperial / Inch thread & non-standard thread optional | | Head Style | Low cap head, shoulder step head, custom per drawing | | Drive Type | Hex socket | | Surface Finish | Black oxide, quenching, zinc plating, passivation, polishing | | Machining Tolerance | Standard ±0.02mm for critical dimensions; tighter tolerance available upon request | | Customization | Full non-standard customization by drawings or physical samples. Dimension, shoulder diameter, thread length all adjustable | | MOQ | Regular custom MOQ:10000pcs. Smaller quantities negotiable, small batch customization supported | | Sample | Simple small samples free (buyer bears courier cost). Custom prototype with small tooling charge, refundable after bulk order | | Lead Time | OEM sample:15-20 working days; Mass production:10-20 working days. Varies by material, quantity and process | | Test Report | Material test report and dimension inspection report available with shipment | | Quality Control | 100% visual inspection before shipment + sampling check on key dimensions, strictly verified against drawings and material requirements | | Application | Industrial sensor bracket, rotating shaft positioning, automation fixture, machinery assembly | ## Description Hex Socket Shoulder Screw M3 Half Thread Shaft Locating Bolt For Sensor Bracket is part of our socket head cap & allen screws range (Screws). ### Key details - **Type:** Low Head Hex Socket Shoulder Screw - **Material:** 45#/40Cr/12.9 Alloy Steel,304/316 Stainless Steel - **Grade:** 10.9 - **Head Style:** Low Cap Shoulder Head,Drawing Custom - **Groove:** Hex Socket - **Finish:** Black Oxide,Quenching,Zinc Plating,Passivation - **Connection:** Common Bolt - **Application:** Sensor Bracket,Shaft Positioning,Automation Fixtur Available configurations include head style, grade, finish, color and custom. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 10,000 pieces at US$0.0108 – 0.24 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 Hex Socket Shoulder Screw M3 Half Thread Shaft Locating Bolt For Sensor Bracket? The listed minimum order is 10,000 pieces, at US$0.0108 – 0.24 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 10,000–999,999 pieces; US$0.21 for 1,000,000–9,999,999 pieces; US$0.0108 for 10,000,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of Hex Socket Shoulder Screw M3 Half Thread Shaft Locating Bolt For Sensor Bracket? Type: Low Head Hex Socket Shoulder Screw; Material: 45#/40Cr/12.9 Alloy Steel,304/316 Stainless Steel; Grade: 10.9; Head Style: Low Cap Shoulder Head,Drawing Custom; Groove: Hex Socket; Finish: Black Oxide,Quenching,Zinc Plating,Passivation. 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, grade, finish, color and custom. 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/) [![Durable Hex Socket Screws M5 M6 M8 for All Applications](https://img.engineeringhardware.com/Durable-Hex-Socket-Screws-M5-M6-M8-for-All-Applications.webp)](https://engineeringhardware.com/product/durable-hex-socket-screws-m5-m6-m8-for-all-applications/) Socket Head Cap & Allen Screws ### [Durable Hex Socket Screws M5 M6 M8 for All Applications](https://engineeringhardware.com/product/durable-hex-socket-screws-m5-m6-m8-for-all-applications/) Hexagon Socket · DIN, ANSI, GB, JIS, BSW, GOST, Customized **US$0.18 – 0.60**MOQ 5,000 pieces [![Stainless Steel DIN912 Allen Screws – CNC Milled & 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