Mining Roof Stainless Steel Hex Head Bolts Mine Tunnel Direct Protection Combined

Mine Tunnel Direct Protection Combined Stainless Steel Hex Head Bolts
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Stainless Steel Brass Hex Head Bolts Classification

1. According to the shape of the head, Stainless Steel Brass Hex Head Bolts, round heads, square heads, countersunk heads, etc.Generally, countersunk heads are used in places where the surface is required to be smooth and no protrusions after the connection, because the countersunk head can be screwed into the part. The head can also be screwed into the part. The tightening force of the square head can be larger, but the size is large. The hexagonal head is the most commonly used.

In addition, Stainless Steel Brass Hex Head Bolts, in order to meet the need of locking after installation, there are holes on the head and holes on the rod. These holes can prevent the bolt from loosening when it is vibrated.

Some bolts have no threaded polished rods to be thin, called thin waist bolts. This kind of bolts is conducive to the connection of variable forces

Mine Tunnel Direct Protection Combined Stainless Steel Hex Head Bolts

Name Square head bolt 304
Place of O rigin Zhejiang, China
Grade SS316.SS304,B7,B7M,B8,B8Metc.
Standards GB, DIN, ISO, ANSI/ASTM, B7, BS, JIS etc
Material stainless steel,Carbon Steel
Surface Plain, Polishing ,Black, Passivation,
Delivery Within 15-30 days after confirm the order.
Package Standard export packing or according to customers' requirement
Payment L/C or T/T (30% in advance and 70% against the copy of BL)
Non-standards OEM is available if you provide a drawing or sample.
Samples Samples are free.