GB37 Zinc Plated Carbon Steel T-Slot Bolt
GB37 zinc plated carbon steel T-slot bolt is a high-strength fastening solution designed for machine tables, T-slot workbenches, industrial fixtures, molds, and modular assembly systems. The GB37 zinc plated carbon steel T-slot bolt is manufactured according to the GB37 standard, featuring a T-shaped head that slides into T-slots and locks securely under tightening to provide stable clamping and precise positioning.
The GB37 zinc plated carbon steel T-slot bolt is widely used in CNC machine tools, milling machines, machining centers, automation equipment, steel structures, fixture systems, renewable energy equipment, and OEM manufacturing. The zinc-plated finish provides excellent corrosion resistance for indoor and moderately corrosive environments while maintaining outstanding mechanical performance.
Product Overview
The GB37 zinc plated carbon steel T-slot bolt is engineered for reliable fastening in T-slot tables and aluminum profile systems. Its T-shaped head fits directly into standard T-slots, eliminating additional machining while allowing fast adjustment and repositioning during assembly.
Manufactured from premium carbon steel, the GB37 zinc plated carbon steel T-slot bolt provides high tensile strength and excellent load-bearing capacity. The zinc-plated surface improves corrosion resistance, extends service life, and provides an attractive finish suitable for industrial applications.
As a premium industrial fastener, this T-slot bolt is an ideal choice for OEM fasteners, precision machinery, and production equipment.
Product Specifications
| Item | Description |
|---|---|
| Standard | GB37 |
| Product Name | GB37 Zinc Plated Carbon Steel T-Slot Bolt |
| Material | Carbon Steel |
| Thread Type | Metric Thread |
| Head Type | T-Head |
| Drive Type | T-Slot Locking |
| Diameter Range | M6–M24 |
| Length Range | 20mm–300mm |
| Surface Finish | Blue White Zinc Plated / Yellow Zinc Plated |
| Strength Grade | 4.8 / 8.8 / 10.9 |
| Thread Direction | Right Hand |
| Packaging | Carton, Bag, Pallet, OEM Packaging |
| Customization | Size, head dimensions, thread length, coating, marking, packaging |
Technical Parameters
| Parameter | Value |
|---|---|
| Tensile Strength | Grade 4.8: ≥400 MPa; Grade 8.8: ≥800 MPa; Grade 10.9: ≥1,040 MPa |
| Yield Strength | Grade 4.8: ≥320 MPa; Grade 8.8: ≥640 MPa; Grade 10.9: ≥940 MPa |
| Hardness | HRC 20–36 (depending on strength grade) |
| Density | 7.85 g/cm³ |
| Corrosion Resistance | Moderate to High with Zinc Plating |
| Operating Temperature | -50°C to 300°C |
| Thread Tolerance | 6g |
| Manufacturing Standard | GB37 / Customer Specifications |
Materials and Manufacturing Process
The GB37 zinc plated carbon steel T-slot bolt is manufactured using advanced forming and precision machining technologies to ensure consistent dimensions and excellent mechanical performance.
- Premium carbon steel wire rod selection
- Cold forging for T-head formation
- Hot forging for large-diameter T-slot bolts when required
- CNC machining for customized dimensions and special designs
- Precision thread rolling to improve fatigue strength and thread accuracy
- Heat treatment for Grade 8.8 and 10.9 products
- Zinc electroplating with blue white or yellow passivation
- Cleaning and anti-rust treatment
- Comprehensive dimensional, thread, hardness, and coating inspections
- Export-grade packaging for safe international transportation
Every GB37 zinc plated carbon steel T-slot bolt is manufactured under strict ISO quality management standards to ensure reliable industrial performance.
Applications of the Product
GB37 zinc plated carbon steel T-slot bolts are widely used in:
- CNC machining centers
- Milling machines
- Machine tool worktables
- Industrial fixtures and jigs
- Automation equipment
- Manufacturing systems
- Steel structures
- Renewable energy equipment
- Heavy machinery
- OEM engineering projects
The T-head design enables rapid installation and adjustment while maintaining excellent clamping force under heavy loads.
Why Choose This Product
- Premium carbon steel raw material
- Manufactured according to GB37 standard
- High mechanical strength
- Precision T-head dimensions
- Zinc plating improves corrosion resistance
- Stable fastening performance
- Excellent positioning capability
- Long service life
- Bulk supply capability
- OEM and ODM customization support
- Fast delivery for global customers
The GB37 zinc plated carbon steel T-slot bolt provides reliable fastening performance for precision machinery and industrial assembly systems.
Why Choose Flybear
Flybear is a professional manufacturer specializing in industrial fasteners and customized fastening solutions.
Our advantages include:
- Advanced cold forging and CNC machining production lines
- Strong manufacturing capacity and inventory support
- OEM and ODM production according to drawings
- Professional engineering and technical consultation
- Global supply capability
- Strict ISO quality management system
- Rich export experience across multiple industries
- Fast production scheduling and reliable delivery
Flybear supplies dependable fastening products to OEM manufacturers, distributors, EPC contractors, and industrial buyers worldwide.
Quality Inspection and Control
Every production batch undergoes comprehensive inspection, including:
- Chemical composition analysis
- Tensile testing
- Yield strength verification
- Hardness testing
- Salt spray corrosion testing
- Thread gauge inspection
- Dimensional inspection
- T-head size inspection
- Surface coating inspection
- Packaging inspection
All manufacturing processes comply with ISO quality management standards to ensure stable product quality and reliable industrial performance.
Selection Guide
When selecting a GB37 zinc plated carbon steel T-slot bolt, consider:
- T-slot dimensions
- Bolt diameter and length
- Required strength grade
- Working load requirements
- Indoor or outdoor operating environment
- Corrosion resistance requirements
- Matching T-slot nuts and washers
- Applicable machinery standards
Selecting the correct specification ensures reliable positioning, secure clamping, and long service life.
FAQ
1. What is GB37?
GB37 is a Chinese standard that specifies T-slot bolts used for machine tools, worktables, and industrial fixtures.
2. What is a T-slot bolt used for?
A T-slot bolt is designed to slide into T-slots on machine tables or aluminum profiles, providing adjustable and secure fastening.
3. Is zinc plating corrosion resistant?
Yes. Zinc plating provides effective corrosion protection for indoor and moderately corrosive industrial environments.
4. Can custom dimensions be manufactured?
Yes. Flybear offers OEM and ODM manufacturing for custom head sizes, thread lengths, strength grades, coatings, and packaging.
5. How can I request a quotation?
Please provide the T-slot size, bolt dimensions, strength grade, coating requirements, quantity, drawings (if available), and application details.
The GB37 zinc plated carbon steel T-slot bolt combines precision manufacturing, reliable mechanical strength, and excellent corrosion resistance, making it an ideal fastening solution for machine tools, industrial equipment, and OEM applications.
We always adhere to the philosophy of quality first and customer first, providing customers with high-quality fastener products and one-stop fastener solutions.
For quotations, customization, and technical support, please Contact Us.
