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| Model Number : | M6-M48 |
| Payment Terms : | T/T, Western Union, MoneyGram, L/C, D/A, D/P |
| Supply Ability : | 30000000 PCS/ MONTH |
| Delivery Time : | about 45 days after seller receive 30% advance payment from buyer. |
1/4" J HOOK ROOFING BOLTS ANCHOR BLUE ZINC PLATED FOUNDATION BOLTS is one of fasteners for buliding , it is called J hook bolts , the shape of bolts like " J " , there is partial threads on shaft , normally , threaded section is made on longer shaft so that it is anchored by nuts . J bolts are made from harden steel with high tensile strength , and mainly used to hook things .
Material
Harden carbon steel
Physical Properties
| Hardness ( HV ) | 450 | Yield Strength ( Mpa ) | 205 | Elongation ( % ) | 35 |
| Tensile Strength ( Mpa ) | 320 | Torque | 13 | Reduction Area ( % ) | 50 |
Specification
| Thread diameter | M8 |
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| Thread Length | 35 | |
| Pitch | 1.5 | |
| Full length | 50 | |
| Shorter length | 15 |
Finish
| Type | Thickness | Salty Spray Hours | RoHS / REACH |
| Zinc | 8 | 24 | RoHS |
1 . Harden material
Hardness for J bolts up to HRC 45
2 . Not easy broken
J bolts with high tensile stregth
3 . Resistant corrosion
4 . Easy operation
5 . Durable wear
J bolts are mainly used for concrete to hook things .
1 . J bolts can be anchored in nuts on the opposite side .
2 . Far from acid-base conditions
3 . Do not put over load on J bolts

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