Full Threaded Stud

Description Full Threaded Stud | B7 B8 SS304 SS316 | M10–M72 | ½”–3″ | Supplier India Supplier: Krishna Industries (KELOR) – Ahmedabad, Gujarat, India Established: 2017 | GSTIN: 24AKLPP6499B1ZT | IEC: AKLPP6499B MOQ: 10 Nos | Metric Size: M10–M72 | Inch Size: ½”–3″ Grades: B6, B7, B7M, L7, L7M, B8, B8M, B8T, B16, SS304, SS316, SS321, A2-50, A4-50, A4-70, 4.6, 8.8, 10.9, 12.9 Introduction – Full Threaded Stud Supplier India Krishna Industries (KELOR), based in Ahmedabad, Gujarat, India, is a trusted B2B supplier of Full Threaded Studs sourced from verified Indian manufacturers. We supply Full Threaded Studs across all major material grades — ASTM A193 B7, B7M, B8, B8M, B8T, B6, B16, Stainless Steel SS304, SS316, SS321, A2-50, A4-50, A4-70, and commercial grades 4.6, 8.8, 10.9, 12.9 — in Metric sizes M10 to M72 and Inch sizes ½” to 3″ — with Yellow Zinc, Cad Plated, Teflon Blue, Zinc Plated, and Plain Finish coating options. A Full Threaded Stud is a headless fastener threaded along its entire length — used in flange joints, pressure vessel assemblies, heat exchangers, pipeline flanges, industrial equipment, and structural connections across Indian EPC, oil and gas, petrochemical, power, chemical, and infrastructure projects. Unlike a stud bolt (threaded only at both ends), the full threaded stud provides 100% threading — giving flexibility in engagement depth, nut positioning, and cut-to-length application. Also referred to as: Full Thread Stud, All Thread Rod, Fully Threaded Rod, Threaded Bar, All Thread Stud, Thread Bar — widely used interchangeably across Indian EPC project BOMs and procurement documents. Complete Grade and Material Guide — All Available Variants ASTM A193 High Tensile and High Temperature Grades Grade Material Tensile Strength Best For Typical Application B6 Martensitic SS 410 125 ksi (862 MPa) Moderate corrosion high strength Valve bodies, pump flanges, moderate chemical service B7 Cr-Mo Alloy Steel (4140/4142) 125 ksi (862 MPa) Most widely used — high strength, high temp Pressure vessel flanges, pipeline flanges — standard Indian EPC spec B7M Cr-Mo (controlled hardness) 105 ksi (724 MPa) Sour gas / H2S service — NACE MR0175 Sour gas pipelines, offshore, refinery H2S service L7 Cr-Mo Alloy Steel (low temp) 125 ksi (862 MPa) Low temperature service (-100°F / -73°C) LNG, cryogenic, low-temperature process piping L7M Cr-Mo (low temp NACE) 105 ksi (724 MPa) Low temp sour service combined Sour gas at low temperature, offshore cryogenic B8 Austenitic SS304 (A2) 75 ksi (517 MPa) Corrosion-resistant — general chemical service Chemical plant flanges, food processing, SS304 piping B8M Austenitic SS316 (A4) 75 ksi (517 MPa) Higher corrosion — chloride service Aggressive chemical, coastal, pharmaceutical, chloride media B8T Austenitic SS321 (Ti stabilised) 75 ksi (517 MPa) High temp austenitic — sensitisation resistant High temp chemical, heat exchangers, SS321 piping B16 Cr-Mo-V Alloy Steel 150 ksi (1034 MPa) Very high temp and pressure service Power plant steam flanges, boilers, high temp pressure vessels Stainless Steel Metric Grades (DIN / ISO) Grade Material Proof Load Best For Typical Application SS304 / A2-50 AISI 304 / EN 1.4301 500 MPa General corrosion-resistant service Food processing, water treatment, general industrial SS flanges SS316 / A4-50 AISI 316 / EN 1.4401 500 MPa Chloride-resistant — standard grade Chemical plant, coastal, moderate corrosive media SS316 / A4-70 AISI 316 / EN 1.4401 700 MPa Chloride-resistant higher strength High-load chemical flanges, offshore, pharmaceutical SS321 AISI 321 / EN 1.4541 — High temp — Titanium stabilised High temperature flanges, heat exchangers, SS321 systems Commercial Carbon Steel Grades (IS / DIN / ISO) Grade Tensile Strength Best For Typical Application 4.6 400 / 240 MPa Low load, general structural General construction, non-critical bolting 8.8 800 / 640 MPa Medium-high load — most common structural Structural steel, machinery, general industrial bolting 10.9 1000 / 900 MPa High load structural and industrial Heavy structural, automotive, high-load machinery 12.9 1200 / 1080 MPa Highest tensile — critical applications Critical structural, tooling, heavy machinery flanges Coating Options Coating Corrosion Protection Best For Typical Use Yellow Zinc Good — 96–200 hrs salt spray General industrial — most common in India Piping flanges, EPC projects, structural bolting Zinc Plated Moderate — 72–96 hrs salt spray Indoor / sheltered industrial service Indoor machinery, general equipment assembly Cad Plated Excellent — aerospace standard Aerospace, defence, high humidity Aerospace, defence, offshore critical bolting Teflon Blue (PTFE) Excellent anti-galling torque control Chemical service, SS fasteners, anti-seize Chemical plant flanges, SS anti-galling service Plain Finish None — bare metal High temperature or customer-coated High temp service, supplied for further processing Technical Specifications Parameter Specification Product Type Full Threaded Stud (All Thread Rod) Thread Form Metric ISO coarse/fine | Inch UNC/UNF Metric Size Range M10 to M72 Inch Size Range ½” to 3″ Thread Coverage 100% full length threading Material Standards ASTM A193 / A193M, DIN 976, IS 1367 Testing Standard ASTM A193 / A194, IS 1367, ASME B18.31.2 Length Custom cut lengths available Compatible Nuts A194 2H (B7), A194 8M (B8M), SS nuts for SS grades MOQ 10 Nos HSN Code 73181500 Full Threaded Stud vs Stud Bolt — Key Difference Feature Stud Bolt Full Threaded Stud Threading Both ends only — plain shank in middle 100% full length threaded Standard ASME B16.5 flange bolting ASTM A193 / DIN 976 / IS 1367 Cut to Length Fixed standard lengths Cut to any required length Nut Positioning Fixed at ends Flexible — anywhere along length Typical Indian Use ASME pressure flanges, API piping Non-ASME flanges, structural, custom lengths Applications in Indian Industries Pipeline flange joints — water, oil, gas, chemical, and process piping Pressure vessel and heat exchanger flange bolting Pump and compressor casing bolting Valve body flange connections Structural steel and civil construction (commercial grades) Power plant boiler and steam flange connections (B16 grade) Chemical plant corrosion-resistant flange joints (B8M, SS316) Pharmaceutical plant SS316 utility piping flanges Sour gas and H2S service pipelines (B7M, L7M — NACE) LNG and cryogenic service (L7, L7M) Offshore and coastal plant bolting (A4-70, Teflon coated) EPC project bulk fastener BOM supply — all grades in single order EPC Contractors — Bulk Supply and Project Documentation Complete BOM-based bulk supply — share fastener BOM for consolidated quotation Multiple grades and sizes in single order — B7, B8M, SS316, commercial grades together MTC for ASTM grades — chemical composition and mechanical property reports Hardness test certificate for NACE grades (B7M, L7M) GST invoices — GSTIN: 24AKLPP6499B1ZT Fast dispatch from Ahmedabad — 2 to 5 working days standard grades Custom cut lengths available — specify mm or inches Compatible nuts supplied together on request Krishna Industries consolidates Full Threaded Studs with Stud Bolts, Hex Bolts, Hex Nuts, Washers, Flanges, Pipe Fittings, and Valves in single orders — one supplier, one invoice, one dispatch for complete EPC project fastener and piping material procurement. PAN India Supply Coverage Maharashtra — Mumbai, Pune, Navi Mumbai, Nashik, Aurangabad, Nagpur Gujarat — Ahmedabad, Surat, Vadodara, Rajkot, Bharuch, Ankleshwar, Vapi, Dahej Rajasthan — Jaipur, Jodhpur, Udaipur, Kota, Bhilwara Delhi NCR — Delhi, Noida, Gurgaon, Faridabad, Ghaziabad Tamil Nadu — Chennai, Coimbatore, Madurai, Tirupur, Salem Karnataka — Bangalore, Hubli, Mysore, Belgaum, Mangalore Telangana and Andhra Pradesh — Hyderabad, Vizag, Vijayawada, Kakinada Madhya Pradesh — Indore, Bhopal, Jabalpur, Pithampur Punjab and Haryana — Ludhiana, Amritsar, Chandigarh, Panipat West Bengal — Kolkata, Durgapur, Asansol, Haldia Odisha, Jharkhand, Chhattisgarh — all industrial zones Export supply available FOB Mundra / JNPT. IEC registered exporter — IEC: AKLPP6499B. Frequently Asked Questions 1. What is a full threaded stud? A headless fastener threaded 100% along its entire length. Used in flange joints, pressure vessels, structural connections where full-length threading provides flexibility in nut positioning and cut-to-length application. 2. What is the difference between B7 and B8M? B7 is chromium-molybdenum alloy steel — high strength, high temperature, standard Indian EPC flange spec. B8M is SS316 — lower strength but superior corrosion resistance for chemical plant, pharmaceutical, and chloride service. 3. Which grade for sour gas / H2S service? B7M or L7M — controlled hardness grades compliant with NACE MR0175 / ISO 15156. Always specify NACE compliance when ordering for sour service. 4. Which coating for general EPC projects? Yellow Zinc (yellow passivate) — most common coating in Indian EPC piping and flange projects. Standard specification in most Indian project material lists. 5. Which coating for chemical plant or SS fasteners? Teflon Blue (PTFE coated) — reduces galling, controls torque coefficient, adds chemical resistance. Standard for SS316 fasteners in chemical and pharmaceutical plant flange joints. 6. What metric sizes are available? M10 to M72 — covering all standard Indian project fastener sizes from small instrument flanges to large pressure vessel connections. 7. What inch sizes are available? ½” to 3″ UNC/UNF covering ASME flange bolting and general inch-size industrial requirements. 8. Can I get custom cut lengths? Yes — specify required length in mm or inches when placing order or RFQ. 9. Can I order nuts together with studs? Yes — A194 Grade 2H nuts for B7, A194 Grade 8M nuts for B8M, SS304/SS316 hex nuts for stainless grades — all available together. 10. Do you provide MTC for ASTM grades? Yes — MTC with chemical composition and mechanical properties for all ASTM A193 grades. Hardness certificates for NACE grades on request. 11. What is the MOQ? MOQ is 10 Nos per line item. BOM-based bulk orders welcome with project-rate pricing. 12. Can I order fasteners with valves and flanges in one order? Yes — Krishna Industries supplies full threaded studs, stud bolts, hex bolts, nuts, flanges, valves, and pipe fittings in consolidated single orders — single GST invoice, single dispatch. Share your project BOM for consolidated quotation. Related Products from Krishna Industries (KELOR) Stud Bolt with Nuts — ASME B16.5 standard flange bolting, A193 B7 / B8M Heavy Hex Nut — A194 2H / 8M compatible with full threaded studs Pipe Flange — Slip-on, Weld Neck, Blind — complete flange joint supply Wafer Check Valve — pipeline backflow prevention PN10 / PN16 Butterfly Valve — pipeline isolation valves Ball Valve — high-pressure process isolation Conclusion The Full Threaded Stud supplied by Krishna Industries (KELOR) covers every grade required for Indian EPC and industrial projects — ASTM A193 B6, B7, B7M, L7, L7M, B8, B8M, B8T, B16, SS304, SS316, SS321, A2-50, A4-50, A4-70, and commercial grades 4.6, 8.8, 10.9, 12.9 — Metric M10 to M72 and Inch ½” to 3″ — Yellow Zinc, Cad Plated, Teflon Blue, Zinc Plated, and Plain Finish coatings. Sourced from verified Indian manufacturers with MTC, GST documentation, and fast PAN India dispatch from Ahmedabad. For EPC contractors, purchase managers, MRO teams, and bulk fastener buyers — contact Krishna Industries (KELOR), your trusted Full Threaded Stud supplier in Ahmedabad, Gujarat, India. Share your BOM or size-grade list for bulk pricing within 24 hours.