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Black Stainless Steel Knurled Thumb Screws Type 2
Black Stainless Steel Knurled Thumb Screws Type 2
£2.00
£2.00
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Ships within 29 hours (on average).
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About this product :
Machine Turned Black Stainless Steel Knurled Thumb Screws Type 2
Manufactured at our own manufacturing facility here in the UK.
| Diameter d | Thread Pitch | dk | H1 | H2 | ds |
| M3 | 0.50 | ||||
| M4 | 0.70 | 12.50 | 4.0 | 7.0 | 8.0 |
| M5 | 0.80 | 12.50 | 4.0 | 7.2 | 8.0 |
| M6 | 1.00 | 13.50 | 4.0 | 8.2 | 10.0 |
| M8 | 1.25 | 14.50 | 5.0 | 9.2 | 12.0 |
Thumb Screw Material Properties
ChemicalProperties
Element Chemical Composition %
Carbon(C) 0.0- 0.10
Chromium(Cr) 17.0- 19.0
Manganese(Mn) 0.0- 2.0
Silicon(Si) 0.0- 1.0
Phosphorus(P) 0.0- 0.45
Sulphur(S) 0.0- 0.15
Nickel(Ni) 8.0- 10.0
Iron(Fe) Balance
MechanicalProperties
Property Value
ProofStress 190minMPa
TensileStrength 500to700MPa
Elongation A50mm 35%min
PhysicalProperties
Property Value
Density 8.03g/cm
MeltingPoint 1455°C
ThermalExpansion 17.3x106/K
ModulusofElasticity 193GPa
ThermalConductivity 16.3W/m.K
ElectricalResistivity 0.072x106Ω.m
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| Updated: 4th April 2026
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