--- title: "Flat Square Head Bolt T Bolt Black" description: "Flat Square Head Bolt T Bolt Black — T-Bolts & T-Slot Bolts. Material: Carbon Steel, Standard: DIN, ANSI, GB. MOQ 1,000 pieces, US$0.036." url: https://engineeringhardware.com/product/flat-square-head-bolt-t-bolt-black/ source: Engineering Hardware & Fasteners --- # Flat Square Head Bolt T Bolt Black [![Flat Square Head Bolt T Bolt Black](https://img.engineeringhardware.com/Flat-Square-Head-Bolt-T-Bolt-Black.webp)](https://img.engineeringhardware.com/Flat-Square-Head-Bolt-T-Bolt-Black.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Bolts › T-Bolts & T-Slot Bolts](https://engineeringhardware.com/fastener-products/bolts/t-bolts-t-slot-bolts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/flat-square-head-bolt-t-bolt-black.md) Model no. **Flat head T Bolt** US$0.036 / piece MOQ 1,000 pieces · Final price confirmed in your quote - **Material:** Carbon Steel - **Standard:** DIN, ANSI, GB - **Grade:** 10.9 - **Finish:** Hot Galvanizing - **Customized:** Customized - **Package Size:** 113.00cm * 86.00cm * 58.00cm - **Standard Terms:** FOB ,CIF, EXW Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Flat%20Square%20Head%20Bolt%20T%20Bolt%20Black%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fflat-square-head-bolt-t-bolt-black%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 | Carbon Steel | | Type | Square Head | | Model NO. | Flat head T Bolt | | Connection | Common Bolt | | Standard | DIN, ANSI, GB | | Grade | 10.9 | | Application | Building | | Finish | Hot Galvanizing | | Capacity | 1000tons/Month | | Customized | Customized | | Connection to | Common Bolt | | Application in | Machinery, Chemical Industry, Environmental, | | Transport Package | 25kg/Carton, 36carton/Pallet | | Specification | M6-M48 | | Origin | Ningbo, China | | HS Code | 7318150000 | | Production Capacity | 1000ton /Month | | Package Size | 113.00cm * 86.00cm * 58.00cm | | Package Gross Weight | 25.000kg | | Pre-production | Dimensional checks on samples | | Pre-shipment | Full batch inspection including | | Standard Terms | FOB ,CIF, EXW | | Payment Methods | SWIFT | | Category | [T-Bolts & T-Slot Bolts](https://engineeringhardware.com/fastener-products/bolts/t-bolts-t-slot-bolts/) | ## Technical parameters | Standard | Flat Square Head Bolt T Bolt Black | | --- | --- | | Size | M10-M100 | | Grade | DIN931 DIN933 | | Surface finishing | Hot Galvanizing, Black, Color-Zinc, Blue-White Zin | ## Description Flat Square Head Bolt T Bolt Black is part of our t-bolts & t-slot bolts range (Bolts). ### Key details - **Type:** Square Head - **Standard:** DIN, ANSI, GB - **Material:** Carbon Steel - **Grade:** 10.9 - **Finish:** Hot Galvanizing - **Connection:** Common Bolt - **Application:** Building - **Capacity:** 1000tons/Month Available configurations include material, standard, grade, finish and customized. 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 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 Flat Square Head Bolt T Bolt Black? The listed minimum order is 1,000 pieces, at US$0.036 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 Flat Square Head Bolt T Bolt Black? Type: Square Head; Standard: DIN, ANSI, GB; Material: Carbon Steel; Grade: 10.9; Finish: Hot Galvanizing; Connection: Common Bolt. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include material, standard, grade, finish and customized. 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 t-bolts & t-slot bolts are available? The T-Bolts & T-Slot Bolts category lists 593 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/bolts/t-bolts-t-slot-bolts/](https://engineeringhardware.com/fastener-products/bolts/t-bolts-t-slot-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 T-Bolts & T-Slot Bolts →](https://engineeringhardware.com/fastener-products/bolts/t-bolts-t-slot-bolts/) [![Zinc Plated Full Thread Square Head T-Bolt M10 X 45mm](https://img.engineeringhardware.com/Zinc-Plated-Full-Thread-Square-Head-T-Bolt-M10-X-45mm.webp)](https://engineeringhardware.com/product/zinc-plated-full-thread-square-head-t-bolt-m10-x-45mm/) T-Bolts & T-Slot Bolts ### [Zinc Plated Full Thread Square Head T-Bolt M10 X 45mm](https://engineeringhardware.com/product/zinc-plated-full-thread-square-head-t-bolt-m10-x-45mm/) Square Head · DIN, ANSI, GB **US$0.036 – 0.06**MOQ 2,000 pieces [![Carbon Steel Plain T-Shaped Screw Bolt Scaffolding Construction Accessory Clamp T-Bolt](https://img.engineeringhardware.com/Carbon-Steel-Plain-T-Shaped-Screw-Bolt-Scaffolding-Construction-Accessory-Clamp-T-Bolt.webp)](https://engineeringhardware.com/product/carbon-steel-plain-t-shaped-screw-bolt-scaffolding-construction-accessory-clamp-t/) T-Bolts & T-Slot Bolts ### [Carbon Steel Plain T-Shaped Screw Bolt Scaffolding Construction Accessory Clamp T-Bolt](https://engineeringhardware.com/product/carbon-steel-plain-t-shaped-screw-bolt-scaffolding-construction-accessory-clamp-t/) T Head · DIN, ANSI, GB, JIS, BSW, GOST **US$0.60 – 1.20**MOQ 10,000 pieces [![Heavy-Duty T-Bolts for Railway Track Installation and Repair](https://img.engineeringhardware.com/Heavy-Duty-T-Bolts-for-Railway-Track-Installation-and-Repair.webp)](https://engineeringhardware.com/product/heavy-duty-t-bolts-for-railway-track-installation-and-repair/) T-Bolts & T-Slot Bolts ### [Heavy-Duty T-Bolts for Railway Track Installation and Repair](https://engineeringhardware.com/product/heavy-duty-t-bolts-for-railway-track-installation-and-repair/) Railway Tools · ISO9001 **US$0.12 – 0.24**MOQ 100 pieces [![T Bolt Spring Loaded Clamps](https://img.engineeringhardware.com/T-Bolt-Spring-Loaded-Clamps.webp)](https://engineeringhardware.com/product/t-bolt-spring-loaded-clamps/) T-Bolts & T-Slot Bolts ### [T Bolt Spring Loaded Clamps](https://engineeringhardware.com/product/t-bolt-spring-loaded-clamps/) Stainless Steel · Customized **US$0.60**MOQ 500 pieces [![Wholesale Stainless Steel T Bolt Cheap Price High Quality](https://img.engineeringhardware.com/Wholesale-Stainless-Steel-T-Bolt-Cheap-Price-High-Quality.webp)](https://engineeringhardware.com/product/wholesale-stainless-steel-t-bolt-cheap-price-high-quality/) T-Bolts & T-Slot Bolts ### [Wholesale Stainless Steel T Bolt Cheap Price High Quality](https://engineeringhardware.com/product/wholesale-stainless-steel-t-bolt-cheap-price-high-quality/) T Head · DIN, ANSI, GB **US$0.072 – 0.096**MOQ 10,000 pieces [![Zinc Plated Class 8.8 Square Head T-Bolt M10 M12 M16 Carbon Steel Metric Coarse Thread](https://img.engineeringhardware.com/Zinc-Plated-Class-8-8-Square-Head-T-Bolt-M10-M12-M16-Carbon-Steel-Metric-Coarse-Thread.webp)](https://engineeringhardware.com/product/zinc-plated-class-8-8-square-head-t-bolt-m10-m12-m16-carbon-steel-metric-coarse/) T-Bolts & T-Slot Bolts ### [Zinc Plated Class 8.8 Square Head T-Bolt M10 M12 M16 Carbon Steel Metric Coarse Thread](https://engineeringhardware.com/product/zinc-plated-class-8-8-square-head-t-bolt-m10-m12-m16-carbon-steel-metric-coarse/) T Head · DIN, ANSI, GB, JIS, BSW, GOST **US$0.12 – 1.20**MOQ 1,000 pieces [![Solar Mounting Hardware Stainless Steel T Bolts with Ball From China](https://img.engineeringhardware.com/Solar-Mounting-Hardware-Stainless-Steel-T-Bolts-with-Ball-From-China.webp)](https://engineeringhardware.com/product/solar-mounting-hardware-stainless-steel-t-bolts-with-ball-from-china/) T-Bolts & T-Slot Bolts ### [Solar Mounting Hardware Stainless Steel T Bolts with Ball From China](https://engineeringhardware.com/product/solar-mounting-hardware-stainless-steel-t-bolts-with-ball-from-china/) T Head · DIN, ANSI, GB, JIS, BSW, GOST **US$0.096 – 0.14**MOQ 200 pieces [![High Quality Supplier T Bolts Stainless Steel T-Head Bolt Square Head Bolt](https://img.engineeringhardware.com/High-Quality-Supplier-T-Bolts-Stainless-Steel-T-Head-Bolt-Square-Head-Bolt.webp)](https://engineeringhardware.com/product/high-quality-supplier-t-bolts-stainless-steel-t-head-bolt-square-head-bolt/) T-Bolts & T-Slot Bolts ### [High Quality Supplier T Bolts Stainless Steel T-Head Bolt Square Head Bolt](https://engineeringhardware.com/product/high-quality-supplier-t-bolts-stainless-steel-t-head-bolt-square-head-bolt/) Hanger Bolts · DIN **US$0.024 – 0.06**MOQ 1,000 pieces **US$0.036**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%20Flat%20Square%20Head%20Bolt%20T%20Bolt%20Black%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fflat-square-head-bolt-t-bolt-black%2F)