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Heavy duty safety bolt

Expander for secure anchoring in concrete. ATS safety expanders provide more accurate and more powerful installation than the standard expander bolts. Safety expanders are used in applications that are exposed to dynamic loads, for example, and where the product may be exposed to high tensile and shear loads.

• Safer installation as it expands more accurately with 3 expanding parts
• It also has a function to prevent rotation when tightening the joint
• CE marked opt. 1, Fire resistance F120
• Safety expander with hexagon nut and countersunk head available to order.

Contact us for ETA when dimensioning the product.

Abbreviation
Explanation
 
Abbreviation 
Explanation
 d0
Drill diameter

 hnom
Min. installation depth
 df
Clearance hole diameter Ø

 hmin
Min. concrete thickness
SW
Width across flats

 hef
Effective installation depth
h1
Min. drill depth

 tfix
Max. installation thickness
Tinst
Tightening torques



 

dh1 (mm)hnom (mm)hef (mm)df (mm)hmin (mm)Tinst (mm)SW
M6756049121001010
M8857059141202013
M10958067171404517
M1211510088201808019
M16130115992620015024
M201601451253125017030
M241801651503530020036