Home / Bolts and Machine Screws - Metric / M20 Hex Head Bolts DIN 931 (ISO 4014) in A4-80 Stainless Steel

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M20 Hex Head Bolts DIN 931 (ISO 4014) in A4-80 Stainless Steel

The most common type of fastener, a hex head bolt is designed to be tightened with a standard spanner or ratchet and socket. Popularly used in all assemblies, a standard hex bolt is a staple across the world. Manufactured to ISO 4014 or DIN 931, and therefore includes an unthreaded section of the shaft. A hex drive permits a greater torque load to be applied to the joint over most other drive types. 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.

Hex Head Bolts DIN 931 (ISO 4014) in A4-80 image

technical drawing of Hex Head Bolts DIN 931 (ISO 4014)

Technical Summary

nominal diameter

M20

thread pitch

2.50

b min. <= 125

min. thread (bolt lengths <= 125)

b min. > 125, <=200

min. thread (bolt lengths > 125 , <= 200)

b min. > 200

min. thread (bolt lengths > 200)

drive size

k min.

minimum head height

12.28

width across corners

33.53

Standard

DIN 931

all dimensions in millimetres (mm)

				DIN 931 Standard HTML
				DIN 931 Standard PDF

< View All Sizes

Description	Sale Qtys	Qty	Price	Breakdown	Despatch Estimate
M20 x 55mm Hex Bolt Part Thread in A4-80 Stainless WF39925			£0.00
Hex Bolt Part Thread M20 x 60mm in A4-80 Stainless WF18906			£0.00
Hex Bolt Part Thread M20 x 65mm in A4-80 Stainless WF18908			£0.00
M20 x 70mm Hex Bolt Part Thread in A4-80 Stainless WF18909			£0.00
M20 x 75mm Hex Bolt Part Thread in A4-80 Stainless WF18911			£0.00
Hex Bolt Part Thread M20 x 80mm in A4-80 Stainless WF18913			£0.00
M20 x 85mm Hex Bolt Part Thread in A4-80 Stainless WF39926			£0.00
M20 x 90mm Hex Bolt Part Thread in A4-80 Stainless WF18916			£0.00
M20 x 95mm Hex Bolt Part Thread in A4-80 Stainless WF39927			£0.00
Hex Bolt Part Thread M20 x 100mm in A4-80 Stainless WF18919			£0.00
M20 x 110mm Hex Bolt Part Thread in A4-80 Stainless WF18921			£0.00
M20 x 120mm Hex Bolt Part Thread in A4-80 Stainless WF18923			£0.00
M20 x 130mm Hex Bolt Part Thread in A4-80 Stainless WF18925			£0.00
M20 x 140mm Hex Bolt Part Thread in A4-80 Stainless WF18927			£0.00
M20 x 150mm Hex Bolt Part Thread in A4-80 Stainless WF18929			£0.00
M20 x 160mm Hex Bolt Part Thread in A4-80 Stainless WF18931			£0.00
M20 x 170mm Hex Bolt Part Thread in A4-80 Stainless WF39913			£0.00
M20 x 180mm Hex Bolt Part Thread in A4-80 Stainless WF23637			£0.00
M20 x 190mm Hex Bolt Part Thread in A4-80 Stainless WF39914			£0.00
M20 x 200mm Hex Bolt Part Thread in A4-80 Stainless WF19695			£0.00
Hex Bolt Part Thread M20 x 210mm in A4-80 Stainless WF39915			£0.00
Hex Bolt Part Thread M20 x 220mm in A4-80 Stainless WF39916			£0.00
Hex Bolt Part Thread M20 x 230mm in A4-80 Stainless WF39917			£0.00
Hex Bolt Part Thread M20 x 240mm in A4-80 Stainless WF39918			£0.00
Hex Bolt Part Thread M20 x 250mm in A4-80 Stainless WF39919			£0.00
Hex Bolt Part Thread M20 x 260mm in A4-80 Stainless WF39920			£0.00
M20 x 270mm Hex Bolt Part Thread in A4-80 Stainless WF39921			£0.00
Hex Bolt Part Thread M20 x 280mm in A4-80 Stainless WF39922			£0.00
Hex Bolt Part Thread M20 x 300mm in A4-80 Stainless WF39924			£0.00
M20 x 310mm Hex Bolt Part Thread in A4-80 Stainless WF84460			£0.00

M20 x 55mm Hex Bolt Part Thread in A4-80 Stainless
WF39925

Hex Bolt Part Thread M20 x 60mm in A4-80 Stainless
WF18906

Hex Bolt Part Thread M20 x 65mm in A4-80 Stainless
WF18908

M20 x 70mm Hex Bolt Part Thread in A4-80 Stainless
WF18909

M20 x 75mm Hex Bolt Part Thread in A4-80 Stainless
WF18911

Hex Bolt Part Thread M20 x 80mm in A4-80 Stainless
WF18913

M20 x 85mm Hex Bolt Part Thread in A4-80 Stainless
WF39926

M20 x 90mm Hex Bolt Part Thread in A4-80 Stainless
WF18916

M20 x 95mm Hex Bolt Part Thread in A4-80 Stainless
WF39927

Hex Bolt Part Thread M20 x 100mm in A4-80 Stainless
WF18919

M20 x 110mm Hex Bolt Part Thread in A4-80 Stainless
WF18921

M20 x 120mm Hex Bolt Part Thread in A4-80 Stainless
WF18923

M20 x 130mm Hex Bolt Part Thread in A4-80 Stainless
WF18925

M20 x 140mm Hex Bolt Part Thread in A4-80 Stainless
WF18927

M20 x 150mm Hex Bolt Part Thread in A4-80 Stainless
WF18929

M20 x 160mm Hex Bolt Part Thread in A4-80 Stainless
WF18931

M20 x 170mm Hex Bolt Part Thread in A4-80 Stainless
WF39913

M20 x 180mm Hex Bolt Part Thread in A4-80 Stainless
WF23637

M20 x 190mm Hex Bolt Part Thread in A4-80 Stainless
WF39914

M20 x 200mm Hex Bolt Part Thread in A4-80 Stainless
WF19695

Hex Bolt Part Thread M20 x 210mm in A4-80 Stainless
WF39915

Hex Bolt Part Thread M20 x 220mm in A4-80 Stainless
WF39916

Hex Bolt Part Thread M20 x 230mm in A4-80 Stainless
WF39917

Hex Bolt Part Thread M20 x 240mm in A4-80 Stainless
WF39918

Hex Bolt Part Thread M20 x 250mm in A4-80 Stainless
WF39919

Hex Bolt Part Thread M20 x 260mm in A4-80 Stainless
WF39920

M20 x 270mm Hex Bolt Part Thread in A4-80 Stainless
WF39921

Hex Bolt Part Thread M20 x 280mm in A4-80 Stainless
WF39922

Hex Bolt Part Thread M20 x 300mm in A4-80 Stainless
WF39924

M20 x 310mm Hex Bolt Part Thread in A4-80 Stainless
WF84460

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.