Product Name

Combination Bolt

Original Material

C1045

16Mn

42CrMo

Dimensions

As Below Chart Showed

Production Method

Mechanical Processing

Descriptions

Combination Bolt is one of rock   support bolts,consist of grouting plug,vent hole dome washer , expansional   shell,position centre and heavy standard hex nut , It's suitable for all   directions prefabricated  Grouting hole. Could be satisfy full   Length or part length cement grouted in the rock hole. Bar Length normally   have 1.5m/2.0m/2.5m/3.0m or as per ordered.

Mechanical Properties

Combination Bolt

Tensile Strength KN

Yield Strength KN

A %

Weight kg/m

M20

150

105

≥16

1.12

M22

180

130

≥16

1.57

Output/month

30,000pcs 

Delivery Lead Time

30 days as normal

Delivery Terms

FOB

CNF

CIF

EXW

Original Port

NINGBO

SHANGHAI