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Excalibur Screwbolts

Updated: 03/12/09Pozidrive Recess Countersunk Head (CSB) 6mm

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Please note: From time to time, materials and specifications are changed to improve performance, please check for the latest information.

CSB 6mm   Options
Screwbolt Diameter Head Diameter Clearance Hole Diameter Max Fixing Thickness Thread Length Clearance Depth Box Quantity Order code:
6mm 12.5mm Head Dia No.3 Drive 7.5mm 3mm 30mm 12 100 CSB 06 / 030
6mm 7.5mm 20mm 50mm 12 100 CSB 06 / 050
6mm 7.5mm 35mm 75mm 12 100 CSB 06 / 075
6mm 7.5mm 50mm 100mm 12 100 CSB 06 / 100
6mm 7.5mm 100mm 130mm 12 100 CSB 06 / 130
Drill Bit Diameter Concrete and Brick 6.0mm
Soft Materials 5.5mm
Ultimate & Safe Load Characteristics based on 3:1 ratio
Material Embedment
Depth
(mm)
Tensile Load kN. Shear Load kN. Max. Torque
Nm. **
Edge Distance
(Reduction Factor)
Ultimate Safe Ultimate Safe - 30mm 50mm
Concrete 60 N/mm² 30 7.00 2.33 - - - 0.8 0.9
60 N/mm² 45 13.00 4.33 14.50 4.83 - 0.8 0.9
Concrete 30 N/mm² 30 5.20 1.73 - - - 0.8 0.9
30 N/mm² 45 11.50 3.83 14.50 4.83 - 0.8 0.9
Engr. Brick 100 N/mm² 45 14.30 4.77 - - -    
Semi.Engr. 70 N/mm² 45 11.20 3.73 - - -    
Fletton 20 N/mm² 45 7.10 2.37 - - -    
Butterly 20 N/mm² 45 3.50 1.17 - - -    
Hemelite 3.5 N/mm² 75 6.10 2.03 - - 5    
Lignacite 3.5 N/mm² 75 4.00 1.33 - - 5    
Topcrete 7.0 N/mm² 75 9.00 3.00 - - 12    

**With softer materials, care should be taken not to exceed the maximum recommended torque, as this may result in the de-grading of the matrix.

CSB 6mm  TECHNICAL DATA
Material Boron Steel BS3111/9/2.1.A
Finish Mechanical Zinc as standard, or Zinc & Yellow passivated
Other finishes Other platings & finishes are available to special order subject to quantity
Tensile strength 800N/mm2 Case hardened
Other sizes Other lengths of all diameters are available to special order subject to quantity
Embedment concrete and brick Minimum recommended is 4.5 × bolt diameter
Soft block Minimum recommended is 75mm
hsa6mm
CSB 6mm COUNTERSUNK HEAD DIMENSIONS
Screwbolt Size
 
Head Diameter - D
min. max.
Head depth - E
nom.
Radius - R
nom.
6mm 15.72 17.93 6 2

All dimensions in millimetres (mm)