Black Stainless Steel Knurled Thumb Screws Type 2

carbolts.co.uk SKU: KNURLTHTYPE2M4x8blkA2Q1web1

£1.89

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Machine Turned Black Stainless Steel Knurled Thumb Screws Type 2

Manufactured at our own manufacturing facility in the UK.

Black-Stainless-Steel Thumb screw manufactured by Carbolts - KNURLED-THUMB-SCREW

 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

Chemical Properties

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 

 

Mechanical Properties

Property                   Value 

Proof Stress             190 min MPa 

Tensile Strength       500 to 700 MPa 

Elongation A50 mm  35% min 

 

Physical Properties

Property                     Value 

Density                       8.03 g/cm 

Melting Point              1455°C 

Thermal Expansion    17.3 x 10­6 /K 

Modulus of Elasticity  193 GPa 

Thermal Conductivity 16.3 W/m.K 

Electrical Resistivity    0.072 x 10­6 Ω.m