M5 x 16 Button Head Screw & M6 Button Head Cap Screw | Maker
Precision-Grade M5 x 16 Button Head Screw & M6 Button Head Cap Screw โ Built for Demanding B2B Applications
โ Eliminate thread stripping, reduce fastener failure by 23%, and secure your supply chain with factory-direct pricing from a trusted ISO 9001 maker.
โ๏ธ 100,000+ units produced daily | ISO 9001 certified
โ ๏ธ The Hidden Cost of Inferior Fasteners
Every procurement manager knows the pain. But 47% of fastener failures go undetected until it's too late โ here's what we hear every week:
"We lost a $120k order because M6 button head cap screws stripped during assembly."
โ Automotive parts supplier, Germany
"Inconsistent head height on M5 x 16 button head screws caused robotic arm misalignment."
โ Automation integrator, Illinois, USA
"Shipping delays from 3 different suppliers โ we had to air-freight 8,000 screws at 3x cost."
โ Construction equipment buyer, UK
"No heat code traceability โ couldn't prove compliance for FDA audit."
โ Medical device manufacturer, Netherlands
๐ The root cause? Poor thread geometry, inconsistent hardness, and unreliable supply chains. You need a maker who starts with metallurgy, not just assembly.
โ Our Solution: Precision-Engineered M5 x 16 & M6 Button Head Screws
From material chemistry to final packaging โ every batch is traceable to heat code and hardness tested to eliminate field failures.
Direct Factory Power
No middlemen. 30-40% cost savings vs. branded distributors.
Metallurgical Quality
Grade 8.8 / 10.9 / 12.9, ISO 898-1 compliant hardness every lot.
Tight Tolerance
Head height ยฑ0.05mm | 6g thread fit for smooth automated feeding.
Global Delivery
15-25 days EXW/FOB 30+ countries served annually.
๐ Technical Specifications (M5 x 16 & M6 Button Head Cap Screw)
| Parameter | M5 x 16 Button Head Screw | M6 Button Head Cap Screw |
|---|---|---|
| Thread Size | M5 x 0.8 | M6 x 1.0 |
| Length | 16 mm (ยฑ0.3 mm) | 16 mm / 20 mm / 25 mm (custom) |
| Head Diameter | 9.5 mm (ยฑ0.1 mm) | 11.0 mm (ยฑ0.1 mm) |
| Head Height | 3.1 mm (ยฑ0.05 mm) | 3.9 mm (ยฑ0.05 mm) |
| Drive Type | Hex socket (H4) | Hex socket (H5) |
| Material Grades | Carbon steel 8.8 / 10.9 / 12.9, SS304, SS316 | Carbon steel 8.8 / 10.9 / 12.9, SS304, SS316 |
| Surface Finish | Zinc-plated (clear/yellow), HDG, black oxide, Dacromet | Zinc-plated (clear/yellow), HDG, black oxide, Dacromet |
| Hardness (Rockwell) | HRC 22-32 (Grade 8.8) / HRC 32-39 (Grade 10.9) | HRC 22-32 (Grade 8.8) / HRC 32-39 (Grade 10.9) |
| Certifications | ISO 9001, CE, RoHS, REACH, IATF 16949 (on request) | |
* All dimensions in mm. Custom lengths, drives, and coatings available for OEM/ODM orders.
Automotive Assembly
M6 button head cap screws used in engine bracket fastening. Result: 0 field failures in 18 months across 240k units.
๐ Client: Tier 1 supplier, Detroit
Robotics & Automation
M5 x 16 button head screws for end-effector mounting. Head height consistency: ยฑ0.03mm โ zero feeder jams.
๐ Client: Robotics integrator, Stuttgart
Construction Equipment
HDG-coated M6 button head cap screws for outdoor structural joints. Salt spray test: 720h+ without red rust.
๐ Client: Heavy machinery OEM, UK
๐ฑ Real-time client feedback from Aug 2025โ Frequently Asked Questions
Q1: What is the difference between M5 x 16 button head screw and M6 button head cap screw?
A: The M5 x 16 has a 5mm thread diameter with 0.8mm pitch and 16mm length, while the M6 has a 6mm diameter with 1.0mm pitch. The M6 head diameter is wider (11mm vs 9.5mm). Choose based on your load requirements and clearance constraints.
Q2: Can you customize the length or drive type?
A: Yes. We offer OEM/ODM customization for both M5 x 16 button head screws and M6 button head cap screws โ including hex socket, Torx, Phillips, and tamper-resistant drives. Minimum order quantity for custom lengths is 5,000 pcs.
Q3: What certifications do you provide?
A: We provide ISO 9001, CE, RoHS, REACH compliance. IATF 16949, ASTM F835, and DIN 912 certificates are available upon request. Each batch includes a mill test certificate with heat code traceability.
Q4: What is the typical lead time and shipping cost?
A: Standard lead time is 15-25 working days after deposit. We ship via sea (FOB Tianjin/CIF), air (DHL/FedEx), or rail. For a typical 50k pcs order, sea freight to Los Angeles or Rotterdam costs approximately $0.02-0.04 per piece.
Q5: Do you offer free samples for quality validation?
A: Yes. We provide free samples (up to 20 pcs per variant) for qualified buyers. You only pay the shipping cost. Samples are produced from the same production line as bulk orders.
Q6: What payment terms do you accept?
A: We accept T/T bank transfer (30% deposit, 70% before shipment), L/C at sight, and for established customers โ net 30/60 days (subject to credit approval). PayPal and Western Union for sample orders.
Q7: How do you ensure consistent quality across large volumes?
A: We follow a 3-stage QA process: incoming material inspection (spectrometer + hardness), in-process dimensional checks (CMM every 500 pcs), and final outgoing inspection (ANSI/ASQ Z1.4 Level II, AQL 0.65). Every batch is documented and traceable.
โญ Real Reviews from Global Buyers
Marco V.
Purchasing Manager, Italy
"We replaced a German supplier with Boen's M6 button head cap screws. Cost reduction of 34% with equal or better thread tolerance. The traceability documentation is excellent."
Jennifer T.
Supply Chain Director, USA
"The M5 x 16 button head screws arrived 3 days early. Zero defects out of 120k pieces. Our assembly line runs at 98% uptime now. Highly recommend."
Ravi N.
Operations Manager, India
"Boen's ability to customize the M6 button head cap screw with black oxide finish saved us a secondary operation. Lead time was 18 days, not 45. Great partner."
Sofia K.
Technical Director, Poland
"We tested M5 x 16 button head screws from 4 suppliers. Boen had the tightest head height tolerance and best coating adhesion. They're now our sole source."
โ๏ธ About the Author โ David Harrington
Senior Fastener Engineer & International Trade Advisor | 19 years in industrial fasteners, former quality manager at a Tier 1 automotive supplier. David has overseen over 2,500 fastener sourcing projects across 40+ countries. He writes regularly on fastener standards, procurement strategy, and supply chain resilience.
๐ Ready to Secure Your Fastener Supply Chain?
Get factory-direct pricing on M5 x 16 button head screws & M6 button head cap screws โ with free samples & quality guarantee.
๐ง shuan@fastenboen.com | mary@fastenboen.com | grace@fastenboen.com | stella@fastenboen.com
๐ Hanguang Industrial Park, Yongnian District, Handan, Hebei, China | MonโFri 09:00โ17:00
๐ Trusted by Engineering Teams Across 30+ Countries
"We switched 80% of our M6 button head cap screw volume to Boen. Cost down 28%, lead time cut from 8 weeks to 3. The quality is actually better than our previous European supplier."
โ Anders L., Procurement Manager, Sweden
"The M5 x 16 button head screws we ordered had 0.02mm head height variation across 50k pieces. Our automated screwdrivers love them. First supplier to pass our PPAP on first submission."
โ Priya K., Quality Engineer, United Kingdom