TOBO GROUP LTD
| Delivery Time | 15-30 Workdays |
| Height | Standard Height / Heavy Hex |
| Trademark | OEM |
| Thread | UNC,M4 M5 M6 M8 M10 M12,UNF.M |
| Payment Terms | T/T, Western Union |
| Grade | 4.8/6.8/8.8/10.9/12.9 |
| Pitch | Fine |
| Thread Pitch | 0.5-3.0mm |
| Supply Ability | 15tons per month |
| Product | Hex Head Nut |
| Tolerance | Class 6H / Class 2A |
| Service | OEM |
| Materials | 40CrMo/42CrMo/C1035/C1045 |
| Color | White Zinc |
| Packaging Details | Standard Shipping Package |
| Certification | ISO/TUV/SGS |
| Model Number | Hex Head Nuts |
| Brand Name | TOBO |
| Place of Origin | Shanghai, China |
View Detail Information
Explore similar products
Factory Price Customized Stainless Steel 304 316 DIN6923 Self Locking Hexagon
Nickel Flange 6.8 Flat Head Cap Nut SUS201 Steel Hex Nut
Copper M10 Hex Head Nuts ANSI A193 Serrated Flange Nuts
Cylinder 304ss M5 Stainless Steel Nuts BSW Hot Dip Galvanized Bolts
Product Specification
| Delivery Time | 15-30 Workdays | Height | Standard Height / Heavy Hex |
| Trademark | OEM | Thread | UNC,M4 M5 M6 M8 M10 M12,UNF.M |
| Payment Terms | T/T, Western Union | Grade | 4.8/6.8/8.8/10.9/12.9 |
| Pitch | Fine | Thread Pitch | 0.5-3.0mm |
| Supply Ability | 15tons per month | Product | Hex Head Nut |
| Tolerance | Class 6H / Class 2A | Service | OEM |
| Materials | 40CrMo/42CrMo/C1035/C1045 | Color | White Zinc |
| Packaging Details | Standard Shipping Package | Certification | ISO/TUV/SGS |
| Model Number | Hex Head Nuts | Brand Name | TOBO |
| Place of Origin | Shanghai, China | ||
| High Light | M12 zinc plated hex nut ，class 8 coarse thread nut ，bright silver general purpose nut | ||
| Parameter | Details |
|---|---|
| Product Name | Hexagon Regular Nut (Style 1) |
| Standard | ISO 4032 (replaces DIN 934) |
| Thread Size | M12 x 1.75 (coarse) |
| Strength Class | Class 8 (matches bolt grade 8.8) |
| Material | Carbon steel (medium carbon) |
| Surface Finish | Zinc plated (clear/blue passivation) |
| Colour | Bright silver |
| Thread Type | Metric coarse (ISO 261) |
| Thread Tolerance | 6H (internal) |
| Product Grade | Grade A (precision) |
| Across Flats (s) | 18 mm (standard) |
| Across Corners (e) | 20.03 mm (min) |
| Nut Height (m) | 10.8 mm (standard) |
| Hardness | 8–22 HRC (typical for class 8) |
| Proof Load | ≥ 580 MPa |
| Brand | TOBO |
| Place of Origin | China |
ISO 4032 Zinc Plated Hexagon Regular Nut – M12 x 1.75 – Class 8 – Bright Silver – Coarse Thread – General Purpose Nut
Standard hexagon regular nut manufactured to ISO 4032 (Style 1), with coarse metric thread M12 x 1.75. Strength class 8 matches property class 8.8 bolts. Zinc plated finish provides corrosion resistance for indoor and mild outdoor use. Precision Grade A ensures consistent fit and reliable torque control.
Machinery assembly and equipment mounting
Structural steel connections (with grade 8.8 bolts)
Automotive chassis and engine components
Construction equipment and agricultural machinery
Piping supports and hanger rod connections
General industrial maintenance and repair
Standardised to ISO 4032 – internationally recognised and interchangeable
Class 8 strength matches grade 8.8 bolts – reliable load capacity
Precision Grade A – consistent thread fit, reduces assembly issues
Zinc plated – bright finish with good corrosion resistance
Coarse thread – quick assembly, less prone to cross-threading
Compatible with standard wrenches – 18 mm across flats
Available in bulk – cost effective for volume users
Engages with bolt threads to create clamp load
Transfers tensile load from bolt into joint
Provides uniform bearing surface under torque
Holds components securely in position
Allows disassembly for maintenance and repair
Packing: Bulk cartons, plastic bags + cartons, or as per customer requirement
Delivery: 7–15 days for stock; 15–20 days for custom orders
Q: What bolt grade does this nut match?
A: Class 8 nuts match property class 8.8 bolts.
Q: Is this nut suitable for outdoor use?
A: Zinc plating provides moderate protection. For outdoor or coastal use, consider yellow dichromate or hot dip galvanized finishes.
Q: Does ISO 4032 replace DIN 934?
A: Yes, ISO 4032 supersedes DIN 934. However, dimensions differ (height and across flats) – check interchangeability carefully.
Company Details
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2010
Total Annual:
5000000-6000000
Ecer Certification：
Verified Supplier
TOBO GROUP LTD is a professional fastener manufacturer and exporter in China. We produce various types of fasteners (include non-standard) in GB, DIN, BS, ANSI/ASME, IFI, ISO, and JIS with 300 tons of monthly productivity. Our main products are bolts, nuts, screws, threaded rods, plain was... TOBO GROUP LTD is a professional fastener manufacturer and exporter in China. We produce various types of fasteners (include non-standard) in GB, DIN, BS, ANSI/ASME, IFI, ISO, and JIS with 300 tons of monthly productivity. Our main products are bolts, nuts, screws, threaded rods, plain was...
Get in touch with us
Leave a Message, we will call you back quickly!