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Home   /   Bolts and Machine Screws - Metric   /   M20 Socket Head Cap Screws DIN 912 (ISO 4762) in Bright Zinc Plated (BZP) Class 12 High Tensile Steel

M20 Socket Head Cap Screws DIN 912 (ISO 4762) in Bright Zinc Plated (BZP) Class 12 High Tensile Steel

Also known as an Allen screw or Allen bolt, or simply a cap screw. Socket Head Cap screws are a more modern alternative standard machine fastener to the standard hexagon headed bolt or setscrew, as found on much modern machinery. A hex key (otherwise known as an Allen key) is required to fit these fasteners. Conforming to DIN 912 or ISO 4762. Please note that due to manufacturing limitations, all nylon variants of these items are only "similar to" and not "in absolute accordance with" the standard specified.
Socket Head Cap Screws DIN 912 (ISO 4762) in BZP-12.9 image
technical drawing of Socket Head Cap Screws DIN 912 (ISO 4762)
Technical Summary
d nominal diameter M20
thread pitch thread pitch 2.50
dk max. maximum head diameter 30.0
k max. maximum head height 20.0
s drive size 17
b minimum thread length 52
t recess depth 10.0
Standard DIN 912 (ISO4762)
all dimensions in millimetres (mm)
html graphic DIN 912 | ISO 4762 Standard HTML
pdf graphic DIN 912 | ISO 4762 Standard PDF
< View All Sizes
Description Sale Qtys Qty Price Breakdown Despatch Estimate
M20 x 35mm in Bright Zinc Plate Socket Head Cap Screw 12.9
WF86277 - 25 in stock
single screw for £2.80
or box of 10 for £18.25
or bulk of 50 for £77.12
£0.00  
M20 x 40mm in Bright Zinc Plate Socket Head Cap Screw 12.9
WF34559 - 8 in stock
single screw for £2.45
or box of 15 for £22.65
or bulk of 75 for £94.97
£0.00  
M20 x 50mm in Bright Zinc Plated Socket Head Cap Screw 12.9
WF19819 - 16 in stock
single screw for £2.67
or box of 15 for £24.58
or bulk of 75 for £102.89
£0.00  
M20 x 55mm in Bright Zinc Plated Socket Head Cap Screw 12.9
WF67035 - 17 in stock
single screw for £3.09
or box of 10 for £20.55
or bulk of 50 for £86.51
£0.00  
M20 x 60mm in Bright Zinc Plate Socket Head Cap Screw 12.9
WF19820 - 70 in stock
single screw for £2.95
or box of 10 for £18.88
or bulk of 50 for £79.12
£0.00  
M20 x 65mm in Bright Zinc Plate Socket Head Cap Screw 12.9
WF70184 - 10 in stock
single screw for £3.28
or box of 8 for £18.07
or bulk of 40 for £76.08
£0.00  
M20 x 70mm in Bright Zinc Plate Socket Head Cap Screw 12.9
WF19821 - 15 in stock
single screw for £3.20
or box of 8 for £17.24
or bulk of 40 for £72.36
£0.00  
M20 x 75mm in Bright Zinc Plate Socket Head Cap Screw 12.9
WF86275 - 44 in stock
single screw for £3.35
or box of 8 for £18.25
or bulk of 40 for £76.56
£0.00  
M20 x 80mm in Bright Zinc Plate Socket Head Cap Screw 12.9
WF19822 - 36 in stock
single screw for £3.55
or box of 8 for £19.73
or bulk of 40 for £82.79
£0.00  
M20 x 90mm in Bright Zinc Plate Socket Head Cap Screw 12.9
WF32785 - 41 in stock
single screw for £3.98
or box of 8 for £23.81
or bulk of 40 for £100.92
£0.00  
M20 x 100mm in Bright Zinc Plate Socket Head Cap Screw 12.9
WF61981 - 50 in stock
single screw for £4.01
or box of 6 for £17.57
or bulk of 30 for £73.74
£0.00  
M20 x 110mm in Bright Zinc Plate Socket Head Cap Screw 12.9
WF86249 - expected in 16 to 24 days
single screw for £4.87
or box of 5 for £19.07
or bulk of 25 for £80.44
£0.00  
M20 x 120mm in Bright Zinc Plate Socket Head Cap Screw 12.9
WF34561 - expected in 16 to 24 days
single screw for £4.59
or box of 5 for £17.60
or bulk of 25 for £74.06
£0.00  
M20 x 130mm in Bright Zinc Plate Socket Head Cap Screw 12.9
WF84243 - expected in 16 to 24 days
single screw for £5.26
or box of 4 for £17.47
or bulk of 20 for £74.17
£0.00  
M20 x 140mm in Bright Zinc Plate Socket Head Cap Screw 12.9
WF33220 - 46 in stock
single screw for £5.33
or box of 4 for £17.50
or bulk of 20 for £74.10
£0.00  
single screw for £2.80
or box of 10 for £18.25
or bulk of 50 for £77.12
£0.00
 
single screw for £2.45
or box of 15 for £22.65
or bulk of 75 for £94.97
£0.00
 
single screw for £2.67
or box of 15 for £24.58
or bulk of 75 for £102.89
£0.00
 
single screw for £3.09
or box of 10 for £20.55
or bulk of 50 for £86.51
£0.00
 
single screw for £2.95
or box of 10 for £18.88
or bulk of 50 for £79.12
£0.00
 
single screw for £3.28
or box of 8 for £18.07
or bulk of 40 for £76.08
£0.00
 
single screw for £3.20
or box of 8 for £17.24
or bulk of 40 for £72.36
£0.00
 
single screw for £3.35
or box of 8 for £18.25
or bulk of 40 for £76.56
£0.00
 
single screw for £3.55
or box of 8 for £19.73
or bulk of 40 for £82.79
£0.00
 
single screw for £3.98
or box of 8 for £23.81
or bulk of 40 for £100.92
£0.00
 
single screw for £4.01
or box of 6 for £17.57
or bulk of 30 for £73.74
£0.00
 
single screw for £4.87
or box of 5 for £19.07
or bulk of 25 for £80.44
£0.00
 
single screw for £4.59
or box of 5 for £17.60
or bulk of 25 for £74.06
£0.00
 
single screw for £5.26
or box of 4 for £17.47
or bulk of 20 for £74.17
£0.00
 
single screw for £5.33
or box of 4 for £17.50
or bulk of 20 for £74.10
£0.00
 
Prices are subject to quantity discounts based on a sliding scale. Enter the desired quantity in the relevant box in the table above. This will automatically calculate a line price indicating the applicable rate for the quantities selected. All prices shown exclude VAT.
technical drawing of Socket Head Cap Screws DIN 912 (ISO 4762)
Technical Summary
d nominal diameter M20
thread pitch thread pitch 2.50
dk max. maximum head diameter 30.0
k max. maximum head height 20.0
s drive size 17
b minimum thread length 52
t recess depth 10.0
Standard DIN 912 (ISO4762)
all dimensions in millimetres (mm)
html graphic DIN 912 | ISO 4762 Standard HTML
pdf graphic DIN 912 | ISO 4762 Standard PDF
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