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Marshall Industrial Supplies

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Countersunk Tap-Fix Bzp Screw (Per 100)

£1.42 (inc VAT) £1.18 (exc VAT)

Countersunk Tap-Fix Bzp Screw (Per 100)

£1.42 (inc VAT) £1.18 (exc VAT)
SKU:
TTMWZCSK
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Product Description

Countersunk Head Tap-Fix screws - PoziDriv®

Materials and Finishes  

Case hardened steel/Zinc & clear de-embrittled

Note: Due to the fact that fastening applications differ greatly, the below information is for guidance only and is correct to the best of our knowledge. The customer must satisfy themselves with the performance of the fastener and validity of the data. TR Fastenings will not be held responsible for any failure that may occur from the use of this information

 

d M2.5 M3 M3.5 M4 M5 M6
D 4.7 5.6 6.5 7.5 9.2 11
H 1.5 1.65 1.93 2.2 2.5 3
Recess - min 1.22 1.48 1.34 1.6 2.05 2.46
Penetration - max 1.47 1.73 1.8 2.06 2.51 2.92
Recess No. 1 1 2 2 2 3
Thread & Strength Standards Torsional Strength Min Nm
Screw size Dia & Pitch Body Diameter Point Dia. Cp (Max)
C D
MIN MAX MIN MAX
M2 x 0.4 2.06 1.98 1.98 1.90 1.67 0.5
M2.5 x 0.45 2.57 2.48 2.48 2.39 2.13 1.0
M3 x 0.5 3.07 2.98 2.97 2.88 2.58 1.5
M3.5 x 0.6 3.58 3.48 3.46 3.36 3.00 2.3
M4 x 0.7 4.08 3.98 3.94 3.84 3.40 3.4
M5 x 0.8 5.09 4.98 4.93 4.82 4.31 7.1
M6 x 1 6.10 5.97 5.90 5.77 5.13 12
M8 x 1.25 8.13 7.97 7.88 7.72 6.91 29
M10 x 1.5 10.15 9.97 9.85 9.67 8.69

59

Suggested Pilot Hole Sizes
Material S A S A S A S A S A
Thickness 0.5 - 2 1.5 - 3.5 3 - 6.5 6 - 8 8 - 12
Dia & Pitch  
M2 x 0.4 1.75 1.7 1.8 1.75 - - - - - -
M2.5 x 0.45 2.25 2.2 2.3 2.25 2.35 2.3 - - - -
M3 x 0.5 2.7 2.6 2.75 2.7 2.8 2.75 - - - -
M3.5 x 0.6 3.1 3.1 3.2 3.1 3.2 3.2 3.25 3.2 3.3 3.25
M4 x 0.7 3.6 - 3.7 3.6 3.75 3.7 3.75 3.7 3.8 3.75
M5 x 0.8 - - 4.5 4.5 4,6 4.5 4.7 4.6 4.7 4.7
M6 x 1 - - 5.4 5.4 5.5 5.4 5.6 5.5 5.7 5.6
M8 x 1.25 - - 7.3 7.3 7.4 7.3 7.5 7.4 7.6 7.5
M10 x 1.5 - - - - 9.25 9.2 9.3 9.25 9.4 9.3

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