8-32 Socket Head Cap Screw & 8-32 Socket Head Screw | Buy
Engineered for OEMs, maintenance teams, and procurement professionals who need reliable, high-strength, and cost-effective 8-32 socket head solutions โ delivered with factory-direct savings and global logistics.
โ Trusted by 30+ countries | โ ISO 9001 & CE certified | โ OEM/ODM supported
Every year, procurement managers and engineers face the same dilemma: low-price fasteners that fail under load, delay production schedules, and inflate total cost of ownership. Here are the real pain points:
โก๏ธ The result? Up to 37% higher total procurement cost over 12 months compared to a quality-first supplier.

๐ญ Handan Boen Factory โ 10+ years of export excellence
Our 8-32 socket head cap screw and 8-32 socket head screw product lines are engineered to eliminate the pain points above. Hereโs how we deliver measurable value:
Every batch is tested for tensile strength, hardness, and dimensional accuracy. Our reject rate is < 0.2% โ far below the industry average of 1.5%.
Stock orders ship within 7โ15 days; OEM orders in 20โ30 days. We manage logistics to 30+ countries with real-time tracking.
Eliminate middlemen margins. Save 18โ30% compared to distributor pricing, with no compromise on material or finish.
Need a specific drive, length, coating, or material? We support full customization with fast prototyping and engineering support.
Full documentation: CE, RoHS, ISO 9001, FCC (where applicable). Batch traceability for every order.
From material selection to logistics tracking โ a single point of contact for your entire fastener supply chain.
Detailed specs for engineers and procurement professionals. All data verified by third-party testing.
| Parameter | Specification | Notes |
|---|---|---|
| Thread Size | 8-32 UNF (Unified Fine) | Standard UNC & metric options also available |
| Material | Alloy Steel 10.9 / 12.9, Stainless Steel 304/316, Brass, Carbon Steel | Customer-specified grades supported |
| Hardness | HRC 32โ39 (Grade 10.9) / HRC 39โ44 (Grade 12.9) | Consistent across batches |
| Tensile Strength | 1,040 MPa (Grade 10.9) / 1,220 MPa (Grade 12.9) | Exceeds ASTM A574 standards |
| Surface Finish | Black Oxide, Zinc Plated, Hot-Dip Galvanized, Dacromet, Plain | Salt spray test up to 720h on request |
| Drive Type | Hex Socket (Allen), Torx, Phillips, Slotted | Custom drives available |
| Length Range | 3/16" to 4" (standard) | Custom lengths up to 6" | Tolerance: ยฑ0.010" |
Our 8-32 socket head cap screw and 8-32 socket head screw are deployed across industries where precision and reliability matter most.
Case: A tractor manufacturer in the Midwest replaced their previous supplier after a 14% failure rate in harvester fasteners. Boenโs 8-32 socket head screws (Grade 10.9, black oxide) reduced failures to 0.3% and saved the client $28,000 annually in warranty claims.
Case: An automotive tier-1 supplier needed 8-32 socket head cap screws with consistent torque-tension performance for brake assembly. Boen delivered 12.9-grade alloy steel with zinc-nickel plating, achieving 100% pass rate in torque-to-yield testing.
Case: A European construction firm used Boenโs 8-32 socket head screws for modular steel connections. The hot-dip galvanized finish passed 1,000h salt spray testing, and the client reported a 22% faster installation due to consistent thread quality.
๐ Want to see how Boen fasteners perform in your specific application? Request a sample kit
Quick answers to common procurement and technical questions.
โ What is the difference between an 8-32 socket head cap screw and a regular socket head screw?
The term 8-32 socket head cap screw typically refers to a high-strength fastener with a cylindrical head and hex socket drive, designed for critical joints. A general 8-32 socket head screw may have a slightly different head profile or lower grade. At Boen, we manufacture both to exacting standards, with full traceability and grade markings.
โ What materials are available for 8-32 socket head cap screws?
We offer alloy steel (Grade 10.9 & 12.9), stainless steel (304, 316), brass, and carbon steel. For special applications, we can source custom materials. Each material is tested for chemical composition and mechanical properties.
โ Do you offer custom lengths or coatings for 8-32 socket head screws?
Yes, we specialize in OEM/ODM orders. Custom lengths, drives, head styles, and coatings (black oxide, zinc, Dacromet, hot-dip galvanized) are available. Minimum order quantities are flexible for established partners.
โ What are the typical lead times for 8-32 socket head cap screws?
Stock items ship within 7โ15 days. Custom orders typically take 20โ30 days depending on quantity and complexity. We offer expedited shipping for urgent requirements.
โ Do you provide certificates of conformance and test reports?
Absolutely. Every order includes a Certificate of Conformance (ISO 9001, CE, RoHS). Mill test reports, tensile test reports, and dimensional inspection reports are available upon request.
โ How do I request a sample of the 8-32 socket head screw?
Simply contact our sales team with your requirements. We provide free samples for qualified buyers (shipping charges apply for international samples).
โ Do you ship to the USA, Europe, and other regions?
Yes, we export to 30+ countries including the USA, Germany, UK, France, Canada, Australia, and Southeast Asia. We handle all logistics and customs documentation. DDP terms are available for select markets.
โ What payment methods do you accept?
We accept TT (wire transfer), L/C, PayPal, and other secure methods based on order size and destination. For first-time orders, a 30% deposit is standard, with balance against shipping documents.
Real feedback from procurement professionals and engineers who use our 8-32 socket head cap screws and 8-32 socket head screws.

Tom H. ยท Supply Chain Manager
โญ โญ โญ โญ โญ
"We've been sourcing 8-32 socket head cap screws from Boen for over 18 months. The quality is consistent, the pricing is fair, and their team responds within hours. Highly recommended for OEM buyers."

Sophie L. ยท Mechanical Engineer
โญ โญ โญ โญ โญ
"The technical specs on Boenโs 8-32 socket head screws are accurate and well-documented. I used their data sheets for our FEA analysis โ everything matched perfectly. A reliable engineering partner."

Marcus W. ยท Operations Director
โญ โญ โญ โญ โญ
"We switched to Boen for our 8-32 socket head cap screw needs after a costly recall. Their quality control is excellent โ zero defects in 200,000+ units. The factory tour was impressive too."

โ๏ธ About the Author
David Chen โ Senior Fastener Engineer & International Trade Specialist at Handan Boen Fastener Manufacturing Co., Ltd. With over 14 years in the industrial fastening industry, David has overseen 500+ OEM/ODM projects for clients across 30+ countries. He is a certified ISO 9001 lead auditor and regularly contributes to industry publications on fastener quality and supply chain optimization.
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James M. ยท Procurement Manager
Midwest Agri-Tech Inc.
"We switched to Boenโs 8-32 socket head cap screws and saw a 41% drop in fastener-related field failures. The consistency is night and day compared to our previous supplier."
Elena K. ยท Technical Director
Europa Engineering GmbH
"The technical documentation and certification for their 8-32 socket head screws made our audit process seamless. Quality is outstanding โ zero rejects in 6 months."
Raj P. ยท Operations Manager
Pinnacle Construction Ltd.
"Boenโs factory-direct pricing on 8-32 socket head cap screws cut our fastener costs by 26% while improving delivery reliability. Their team is responsive and professional."