Tower Bolts , Foundation Bolts
We are one of the leading competitor manufacturer of fasteners and components supplier to manufacturers for the construction of Wind turbine. We have wide range of products as per requirements. We can also manufacture any customised fastener as per customer drawings with the advanced technology used in our factories in designing departments and manufacturing processes.
There are two basic types of wind turbines:
- Horizontal-axis turbines
- Vertical-axis turbines
JAAS manufactures world class HV bolts & nuts used in wind energy sector, these bolts are manufactured as per European and American standards in PLAIN, Black and hot dip galvanised finish, where ever applicable we can also provide these bolts in special coatings like PTFE, Geomet and Dacromet finish.
These HV bolts are as per 10.9 grade and are supplied with Grade 10 nuts and washers as per HV 300 used for the wind turbines.
We are manufacturer of different type of products for Wind Turbine –
- Tower Bolts
- Foundation bolt
- Onshore anchor cage bolt
- High strength anchor bolts
- Hexagonal head bolts
- Blade bolts
- Double-headed studs
- T-round nuts
- T-nuts
- Morse washers
- Nacelles bolt
We have wide range of material grade like
| S.No. | Material Type | Grade name |
| 1 | Alloy Steel | EN8, EN8Cr, EN18, EN19, 41cr, 41Cr4, 42CrMo4 |
| 2 | Carbon Steel | Low, Medium, High |
| 3 | Mild Steel | MS |
| 4 | Stainless steel | SS304, SS316, SS316L, SS310, SS310S, SS410, SS316L, SS316 S31 |
| 5 | Duplex Steel | S31500, S32304, S32404, S31803, S32205, S32520, S32550, S32750 |
| 6 | Brass | White brass, Alpha brass, Beta brass, Alpha- beta |
| 7 | Aluminum | 1100, 3003, and 6061 |
Commonly type of bolts used in wind turbines
| S.No. | Specification | Standard | Grade name | Diameter |
| 1 | Hex Bolts | EN 14399-4 / DIN 6914 | 10.9 | M-16 to M-76 |
| 2 | Stud Bolts | ISO 898-1 / ASTM A193 | 10.9 | M-16 to M-76 |
| 3 | Hex Nuts | EN 14399-4 / DIN 6915 | 10 | M-16 to M-76 |
| 4 | T-round nuts | ISO 898-2 | 10.9 | M-16 to M-76 |
| 5 | Washer | EN 14399-5 / DIN 6916 | HV 300 | M-16 to M-76 |
JAAS manufactures HV bolts & nuts in 10.9 grade using high quality alloy and carbon steel material for wind farms and wind energy sector, our bolts and nuts are used extensively in the on shore and off shore areas in the wind energy sector in India, Europe and USA etc.