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Polytops Screws Range & Specifications

Polytop© Plastic Top Screw Range

Screw TypeMaterialsGaugeLength
Wood Screw Zinc plated
6, 8, 10, 12 10mm - 65mm
  A2 Stainless Steel
   
  A4 Stainless Steel


Self Tapping Zinc plated
6, 8, 10, 12 10mm - 65mm

A2 Stainless Steel



A4 Stainless Steel


Self Drilling
Zinc plated
6, 8, 10, 12 10mm - 65mm

A2 Stainless Steel



A4 Stainless Steel


Machine Screws
Zinc plated
M3, M4, M5, M6

A2 Stainless Steel



A4 Stainless Steel


Polytop © Numberplate Plastic Top Screw Range

MaterialColours Available
GaugeLength
Zinc Plated
Black, White, Yellow, Blue
10
18mm, 24mm

 

 All screws come in box of 100, minimum order quantity is 1000 per type, size and colour.

Polytop© Screw Torque Test

SampleSubstrate
Pilot Hole
Required Torque
Failed Torque
8 gauge x 12mm
Wood End Grain
2.5mm 0.7 N.m
3.6 N.m
8 gauge x 30mm
Wood End Grain
2.5mm 0.9 N.m 4.1 N.m
8 gauge x 12mm
Wood Cross Grain
2.5mm 0.8 N.m
3.8 N.m
8 gauge x 30mm
Wood Cross Grain
2.5mm 0.9 N.m
4.0 N.m
8 gauge x 12mm
3mm Mild Steel Plate
3.5mm 2.7 N.m
4.0 N.m
8 gauge x 30mm
3mm Mild Steel Plate
3.5mm 2.9 N.m
3.7 N.m

 The tests were conducted using calibrated torque wrenches S/No. TF/100 (1-35 lbs.in.) and S/No. TF99 (240 lbs.in.)