The flat top Tower Crane is a is a kind of level-jib.trolley derricking.high level slewing. flat-top self-hoisting tower crane. The three mechanism all adopt frequency control,so have wide speed range and gentle running and braking,and prolong the life of the crane structure ,driving medium and steel wire rope, the mast section of the tower adopts a lamella assembly structure design, which takes into account the mechanical properties of the steel structure. It also meets the functions of use, manufacturing, transportation and installation. The jib and counter jib are designed with cantilever structure, which makes the installation and disassembly of the tower crane safer and faster; and different radius can also be realized according to user requirements. The chord of mast section adopts angle steel, and the basic standard configuration is a foot-supported, and other forms can also be provided according to user requirements.
Flat Top Tower Crane,6T Flat Top Tower Crane,High Performance Construction Tower Crane,Self Climbing Tower Crane Fangyuan Group Co.,Ltd. , https://www.fygcorp.com
**Basic Info**
**Model No.:** DIN931
**Material:** High Strength Carbon Steel
**Type:** Hexagon Head Bolt
**Head Style:** Hexagonal
**Standard:** DIN
**Connection:** Common Bolt
**Finish:** Black
**Grade:** 8.8
**Export Markets:** Global
**Trademark:** NGL
**Packing:** Bag + Carton + Pallet
**Origin:** China
**HS Code:** 7318151001
**Production Capacity:** 50 tons/month
**Product Description**
High-strength hex head cap screws designed for industrial applications. These bolts meet international standards such as DIN, ANSI/ASME, BS, and ISO. They are available in a wide range of sizes from M6 to M100, and can be customized based on specific requirements.
**Key Features:**
- **Standards:** DIN931/933, DIN558/601, DIN6914, DIN960/961, ANSI, BS, ISO
- **Material Options:** Carbon steel, alloy steel, stainless steel (as per customer request)
- **Grades Available:** 4.8, 5.6, 6.8, 8.8, 10.9, 12.9
- **Dimensions:** Metric sizes from 6mm to 100mm, Inch sizes from 1/8" to 2-1/2"
- **Length Range:** 6mm to 300mm
- **Surface Treatments:** Plain, black finished, zinc plated (galvanized), hot-dip galvanized, nickel, phosphate black, DACRO coating, etc.
- **Packing:** Standard or customized according to client needs
**Technical Data:**
| Thread Size | Pitch | K | E | B | S | L |
|-------------|-----------|--------|---------|----------|-----|-----------|
| M6 | 0.7 | 2.8 | 7.66 | 8.63 | 7 | 8-40 |
| M8 | 0.8 | 3.5 | 8.79 | 10.89 | 8 | 8-40 |
| M10 | 1.0 | 4.0 | 11.05 | 14.2 | 10 | 8-50 |
| M12 | 1.25 | 5.3 | 14.38 | 18.72 | 13 | 12-60 |
| M14 | 1.5 | 6.4 | 18.9 | 20.88 | 17 | 16-60 |
| M16 | 1.75 | 7.5 | 21.1 | 23.91 | 19 | 20-80 |
| M18 | 2.0 | 8.8 | 24.49 | 26.17 | 22 | 25-80 |
| M20 | 2.0 | 10.0 | 26.75 | 29.56 | 24 | 30-100 |
| M22 | 2.5 | 11.5 | 30.14 | 32.95 | 27 | 30-100 |
| M24 | 2.5 | 12.5 | 33.53 | 35.03 | 30 | 40-100 |
| M27 | 2.5 | 14.0 | 35.72 | 39.55 | 32 | 50-100 |
| M30 | 3.0 | 15.0 | 35.98 | 45.2 | 36 | 50-100 |
These hex bolts are ideal for construction, automotive, and mechanical engineering applications where high strength and durability are required.
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