Custom Hex Bolts & Nuts CNC Machining Services - M3 to M64 Sizes with ±0.05mm Tolerance
Price:
$0.5-2
MOQ:
100pcs
Delivery Time:
30 days
Brand:
Qingdao Sande Tech Co.,Ltd
Product Description
Precision CNC Machining for Custom Hexagon Bolts & Nuts
We specialize in precision CNC machining of custom hex bolts and nuts, delivering OEM-grade fasteners with exacting tolerances and superior strength. Our CNC turning and threading capabilities ensure perfect-fit components for critical assemblies in aerospace, automotive, machinery, and construction.
Material Options
Carbon Steel: Grade 4.8, 8.8, 10.9, 12.9
Stainless Steel: 304 (A2), 316 (A4), 410, 17-4PH
Alloy Steel: 4140, 4340, heat-treated for high strength
Exotic Metals: Titanium (Gr. 2, 5), Inconel, Aluminum 6061/7075
Manufacturing Process
CNC Turning & Threading: ±0.05mm tolerance
Thread Types: Metric (M), UNC/UNF, Whitworth, BSW, or custom profiles
Secondary Operations:
Heat treatment (quenching & tempering)
Surface finishing (zinc plating, hot-dip galvanizing, black oxide)
Anti-galling treatments (PTFE coating, Xylan)
Product Specifications
| Feature | Details |
|---|---|
| Hex Bolt Sizes | M3 to M64 (or custom) |
| Nut Sizes | M2 to M56 (DIN 934, ISO 4032) |
| Head Styles | Hex (DIN 931/933), Flange (DIN 6921), Heavy Hex (ASME B18.2.1) |
| Thread Length | Full or partial, per customer specs |
Applications
Aerospace: Engine mounts, structural assemblies
Automotive: Suspension systems, drivetrain components
Heavy Machinery: Excavators, hydraulic systems
Energy: Wind turbine bolting, oil rig equipment
Why Choose Our Hex Bolts & Nuts?
Precision Fit: CNC-machined for perfect thread engagement
Material Expertise: From standard steels to superalloys
Fast Turnaround: Prototypes in 5 days, production in 2-4 weeks
Custom Solutions: Non-standard sizes, drive types, and coatings
Ordering Information
MOQ: 1000 pieces (lower for prototypes)
Packaging: Bulk boxes, blister packs, or custom kitting
Global Shipping: FOB, CIF, or DDP terms available
Submit your CAD files or drawings for a free machining quote today!
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Qingdao Sande Technology Co., LTD
Location
South Building, China-South Korea Maker Industrial Park, Chengyang District, Qingdao City, Shandong Province
Contact Person
tian