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Shear bolts (or snap-off bolts) are a premium 1-way permanent security solution, ideal where maintenance is not required. The hexagonal shaped section on top of the bolt snaps off when fully tightened, leaving a tamper-proof dome, countersunk or cap head.
Shear strength is defined as the load in pounds to cause rupture, divided by the cross sectional area in square inches of the part along the rupture plane. The allowable shear stress for bolts with no threads in the shear plane was taken as 60% of the minimum tensile strength divided by a safety factor of 3.0.
What is the purpose of a shear bolt? Shear bolts are used to protect equipment from sudden impact or excessive load. Think of a shear bolt that is designed to protect the gear box incase of overload, like a fuse protects the electrical circuit from a short or over load.
Item | ASTM F1852 Type 1 A325tc Tension Control Bolt | |||
| Finish | Black oxide | |||
| Measurement system | Metric and inch | |||
Application | Machinery, Chemical Industry, Environmental, Building | |||
Material | Carbon Steel | |||
| Grade | 8.8/10.9 | |||
| Standard | DIN,ASTM/ANSI JIS EN ISO,AS,GB | |||
| Size | M12~M30 | |||
| Length | 40mm~300mm | |||
| Certificate | ISO9001-2008 | |||
| Customization | provided | |||
| Single packaging size | 25*25*16CM | |||
Singe gross weight | 25kg | |||
Package type | carton+plastic bags | |||
(1)Small box packging | ||||
(2)25-30kgs/ctn in bulk, 36-48cartons/pallet | ||||
(3)Assortment in poly bag or plastic box | ||||
Delivery time | Quantity | Delivery time | ||
1-1000pcs | 3 days | |||
1001-5000pcs | 7 days | |||
5001-10000pcs | 9 days | |||
＞10000pcs | To be negotiated | |||
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They are all manufactured according to the strictest international standards. Our products have received favor from both domestic and foreign markets.
They are now widely exporting to 200 countries.
Wuxi Zhuocheng Mechanical Components Co., Ltd. is established in 1990, and one group of manufacturing and selling professional fastener
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