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20mm

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Finish

A2 Stainless Steel(86)
A4 Stainless Steel(39)
A4-80 Stainless Steel(10)
Aluminium(7)
Brass(2)
Galvanised(1)
Phosphor Bronze(1)
Self Colour(83)
Stainless Steel(1)
Tin Plated(3)
Zinc Plated (BZP)(78)
Zinc/Yellow(6)
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Head

Socket(50)
Socket Button(27)
Socket Countersunk(25)
Slotted Pan(16)
Slotted Countersunk(14)
Slotted Cheese(11)
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Pozi Pan(9)
Torx Countersunk(2)
Torx Pan(2)
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Tri(1)
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Standard

Metric(310)
Metric Fine(7)

Thread

3.5G(2)
4.5mm(1)
6.4mm(3)
M10(35)
M12(19)
M14(2)
M16(4)
M2(3)
M2.5(5)
M20(2)
M3(24)
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M6(54)
M8(50)
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Grade

10.9(27)
12.9(27)
4.8(31)
45H(33)
8.8(24)
A2(86)
A4(39)
A4-80(10)
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Din

1481(8)
603/555(2)
7984(10)
7985(3)
7991(25)
84(5)
85(9)
912(61)
913(7)
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931(1)
933(37)
94(4)
961(1)
963(9)
964(2)
965(3)
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BS

1574(4)
4168(71)

ISO

4762(61)
6325(6)
7337(1)
7379(2)
7380(27)
7985(5)
84(6)
85(7)
963(3)
965(4)
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Pitch

1mm(3)
0.5m(2)
0.7mm(2)

OD

3.2mm(4)
4mm(4)
3mm(3)
4.8mm(3)
5mm(3)
6mm(3)
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2mm(2)
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10mm(1)
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