Product Summary
GB35 square head bolts in 304(A2-70) and 316(A4-80) stainless steel with coarse thread M5-M12, length 12-60mm. Square head locks in profiles to prevent spinning during nut tightening, improving installation efficiency. Precision-rolled threads ensure firm clamping, anti-vibration. 316 offers superior corrosion resistance for outdoor/coastal use.
Product Details
Highlight:
304(A2-70) Stainless Steel Square Head Bolt
,316(A4-80) Stainless Steel GB35 Bolt
,Coarse Metric Thread Stainless Steel Bolt
Material Option:
304(A2‑70) Stainless Steel / 316(A4‑80) Stainless Steel
Thread Type:
Coarse Metric Thread
Thread Size:
M5‑M12
Screw Length:
12‑60mm
Surface Finish:
Natural Stainless Steel, No Plating
Standard:
GB35 Square Head Bolt
Product Description
Square Head Bolt GB35, A2‑70 A4‑80 Stainless Steel
GB35 standard square head bolts manufactured from premium 304(A2‑70) and 316(A4‑80) stainless steel with coarse metric thread. Available thread sizes range from M5 to M12, screw length covers 12‑60mm. Multiple sizes are combined in one listing for one‑stop selection and bulk procurement.
Manufacturing & Design Features
- One-piece forging forming technology for superior strength
- Square head features neat edges with material grade marking
- Natural stainless steel finish without electroplating coating
- Square head locks inside square slots of aluminum profiles
- Prevents bolt spinning during nut tightening
- Eliminates need for extra fixing tools
- Significantly improves installation efficiency
Technical Specifications
| Item | Specification |
|---|---|
| Standard | GB35 Square Head Bolt |
| Material Option | 304(A2‑70) Stainless Steel / 316(A4‑80) Stainless Steel |
| Thread Type | Coarse Metric Thread |
| Thread Size | M5‑M12 |
| Screw Length | 12‑60mm |
| Surface Finish | Natural Stainless Steel, No Plating |
| Application | Aluminum profile frames, machinery equipment, jigs & fixtures, brackets, outdoor & coastal facilities |
Performance Benefits
Threads are precision-rolled with full and clear tooth profile for smooth insertion and firm clamping, providing anti-vibration and anti-loosening properties. Deburred for burr-free surface, ensuring stable quality for machinery assembly and engineering bulk orders.
Material Selection Guide:
• 304 stainless steel works well for indoor and slightly humid environments
• 316 stainless steel delivers superior acid-alkali and seawater-corrosion resistance, ideal for outdoor, coastal and chemical humid working conditions
• 304 stainless steel works well for indoor and slightly humid environments
• 316 stainless steel delivers superior acid-alkali and seawater-corrosion resistance, ideal for outdoor, coastal and chemical humid working conditions
Ms. Ella Jin
- Email: ellajin1102@163.com
- Tel: 13581790576
- WhatsApp: 8613581790576
-
WeChat:
jin19811102
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