Slotted Hexagon Head Bolts - Durable & Versatile Fasteners
Slotted hexagon head bolts combine hex wrench tightening and screwdriver fine adjustment. Made of stainless steel 304/316 or carbon steel 4.8/8.8 grade, full thread design, standard DIN933SZ & GB/T29.1. Anti-rust, high tensile strength, widely used in electrical cabinets, instruments, small mechanical parts. Custom sizes, surface treatments & packaging available for bulk wholesale.

Key Advantages:
1.Dual Drive Design: Hex sides for torque wrench locking. Ideal for rapid pre-tightening in space-restricted areas where wrench access is limited.
2.Premium Material Options: SUS304/SUS316 stainless steel for corrosion resistance; carbon steel 4.8/8.8 grade for heavy load industrial use.
3.Strict Standard Compliance: Produced under DIN933SZ, GB/T29.1, full thread, 6g precision thread, stable assembly fit.
4.Anti-Rust Surface Treatment: Passivation for Stainless Steel; Zinc/Dacromet for Carbon Steel, black oxide, Dacromet for different working environments.
5.Custom Support: Custom diameter M3-M24, length 8-200mm, logo, neutral export packaging, fast bulk delivery.

Application Scenarios:
- Electrical control cabinets, distribution boxes, precision instruments
- Small mechanical equipment, automation accessories, medical devices
- Outdoor machinery, marine equipment (316 stainless steel version)
- Household hardware, chassis & cabinet assembly with limited operation space

Quality Control:
- Raw material incoming inspection: Spectrometer test for material composition
- Thread precision test by thread gauge, slot size dimension inspection
- Salt spray anti-rust test for coated bolts (up to 500 hours)
- Tensile strength & hardness mechanical property test
- Full visual sorting before packaging to remove defective goods
Packaging & Shipping:
1.Small sample: Plastic bag + carton
2.Bulk export: 25kg woven bag / neutral carton, pallet loading
3.Support customized export label, no brand logo for OEM orders
4.Shipment: Sea freight, air freight, express for small trial orders
FAQ:
Q1: What’s the difference between slotted hex bolt and ordinary hex bolt?
A1: Slotted hex head adds a straight slot on bolt top, you can use screwdriver for tiny adjustment when wrench can’t operate in narrow space.
Q2: Which material to choose for seaside projects?
A2: SUS316 stainless steel slotted hex bolts, excellent salt water corrosion resistance.
Q3: Can I get custom non-standard sizes?
A3: Yes, we support custom diameter, length and special surface treatment for bulk orders.
Factory Direct Supply Slotted Hexagon Bolts | Fast Delivery, Stable Quality, Competitive Factory Price