I supply a reliable Head Stud Bolt built for heavy-duty engines and industrial machines. Made from high-strength alloy steel and heat-treated to grade 10.9, it features precise threading, good fatigue resistance, and a corrosion-proof finish. In practice, it means easier assembly, fewer stuck fasteners, and longer service life. For B2B buyers I keep lead times short and offer flexible bulk quantities. If you’re price-conscious, I can show you Cheap options without compromising performance, and I can provide a detailed Pricelist for bulk orders. Customize length, thread pitch, coating, and nut compatibility to fit your specs. I pack to protect threads and simplify stocking, with options for standard packaging or customized packaging. I stand by quality control, and I’m happy to run a trial quantity to verify fit on your line. Reach out with your required size, grade, and batch size, and I’ll tailor the quote for your Head Stud Bolt needs.
Head stud bolts are a critical link in high‑performance engines, enduring heat, vibration, and precise clamping. Factory‑direct sourcing gives global buyers a clear edge: consistent material quality, tight tolerances, and streamlined pricing from a production facility that handles every step from raw stock to finished studs. Advanced turning, heat treatment, and finishing ensure these components meet exacting standards. End‑to‑end quality control ensures traceability: certified materials, in‑process checks, tensile and hardness tests, and final surface evaluation. Direct-from-factory supply reduces lead times, minimizes counterfeit risk, and scales from samples to mass production. Flexible capacity supports automotive, industrial, and aftermarket needs with reliable on‑time delivery and transparent documentation. For global buyers, a supplier offering alloy options, thread pitches, lengths, coatings (zinc, black oxide, nickel), and corrosion resistance strengthens procurement resilience. We align packaging, labeling, and logistics with your framework, ensuring smooth customs and predictable shipments. A factory‑direct partner provides technical guidance, stable pricing, and long‑term reliability for your supply chain.
| Product Code | Material Grade | Diameter (mm) | Thread Pitch (mm) | Length (mm) | Standard | Heat Treatment | Finish/Coating | Tensile Strength (MPa) | Notes |
|---|---|---|---|---|---|---|---|---|---|
| HSB-001 | Grade 8.8 | 12 | 1.75 | 180 | ISO 898-1 | Quenched & Tempered | Zinc Plated | 800 | General-purpose automotive flange bolt |
| HSB-002 | Grade 10.9 | 16 | 2.0 | 210 | ISO 898-1 | Quenched & Tempered | Zinc Plated | 1000 | High-torque engine block studs |
| HSB-003 | Grade 8.8 | 10 | 1.5 | 120 | ISO 898-1 | Quenched & Tempered | Zinc Plated | 700 | Light-weight flange connection |
| HSB-004 | Grade 10.9 | 20 | 2.5 | 260 | ISO 898-1 | Quenched & Tempered | Black Oxide | 1000 | High-stress flange bolts |
| HSB-005 | Grade 12.9 | 24 | 2.3 | 320 | ISO 898-1 | Quenched & Tempered | Zinc Plated | 1080 | Ultra-heavy duty |
| HSB-006 | Grade 8.8 | 14 | 2.0 | 160 | ISO 898-1 | Quenched & Tempered | Zinc Plated | 740 | Medium-duty option |
| HSB-007 | Grade 10.9 | 12 | 1.75 | 140 | ISO 898-1 | Quenched & Tempered | Zinc-Nickel | 900 | Corrosion-resistant variant |
| HSB-008 | Grade 8.8 | 18 | 2.5 | 190 | ISO 898-1 | Quenched & Tempered | HDG (Hot-Dip Galvanized) | 800 | Outdoor equipment use |
| HSB-009 | Grade 8.8 | 30 | 3.0 | 350 | ISO 898-1 | Quenched & Tempered | Zinc Plated | 820 | Large-diameter stud for heavy assemblies |
| HSB-010 | Grade 10.9 | 30 | 3.0 | 400 | ISO 898-1 | Quenched & Tempered | HDG | 980 | High-torque industrial applications |
| HSB-011 | Grade 8.8 | 8 | 1.25 | 100 | ISO 898-1 | Quenched & Tempered | Zinc Plated | 680 | Compact assemblies |
| HSB-012 | Grade 10.9 | 22 | 2.0 | 180 | ISO 898-1 | Quenched & Tempered | Black Oxide | 900 | Versatile heavy-duty option |