Home / Bolts and Machine Screws - Metric / M8 Coach Bolts and Nuts DIN 603 (Bolt) DIN 934 (Nut) in Bright Zinc Plated (BZP) Steel

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M8 Coach Bolts and Nuts DIN 603 (Bolt) DIN 934 (Nut) in Bright Zinc Plated (BZP) Steel

Generally used in timber to timber and timber to metal construction, these bolts incorporate a square neck to grip the hole in the timber when fitting, and therefore negates the need for any drive recess to be included on top of the head. Supplied to DIN 603 and DIN 555. Usually manufactured with a full thread, though often some stock may include a partially threaded shank, particularly on longer lengths. Comes complete with hexagon nut to fit.

Coach Bolts and Nuts DIN 603 (Bolt) DIN 934 (Nut) in BZP image

technical drawing of Coach Bolts and Nuts DIN 603 (Bolt) DIN 934 (Nut)

Technical Summary

nominal diameter

thread pitch

1.25

dk min.

minimum head diameter

19.35

square neck length

4.40

k min.

minimum head height

4.12

v min.

minimum head cylinder height

7.42

b min. <= 125

min. thread (bolt lengths <= 125)

b min. > 125

min. thread (bolt lengths > 125)

drive size

width across corners

14.38

m min.

minimum depth

6.14

Standard

ISO 8677 (DIN 603/555)

all dimensions in millimetres (mm)

				DIN 603/555 Standard HTML
				DIN 603/555 Standard PDF

< View All Sizes

Description	Sale Qtys	Price
M8 x 20mm Coach / Carriage Bolt and Nut in Zinc Plated Steel WF13240 - 180 in stock	sachet of 2 for £1.69 or box of 150 for £24.43 or bulk of 750 for £80.50	£0.00
M8 x 25mm Coach / Carriage Bolt and Nut in Zinc Plated Steel WF23396 - 285 in stock	sachet of 2 for £2.02 or box of 100 for £19.72 or bulk of 500 for £66.80	£0.00
M8 x 30mm Coach / Carriage Bolt and Nut in Zinc Plated Steel WF23398 - 166 in stock	sachet of 3 for £2.93 or box of 150 for £36.69 or bulk of 750 for £135.03	£0.00
M8 x 35mm Coach / Carriage Bolt and Nut in Zinc Plated Steel WF23400 - 197 in stock	sachet of 2 for £2.09 or box of 100 for £20.36 or bulk of 500 for £68.62	£0.00
M8 x 40mm Coach / Carriage Bolt and Nut in Zinc Plated Steel WF23402 - 67 in stock	sachet of 2 for £2.66 or box of 150 for £38.82 or bulk of 750 for £145.02	£0.00
M8 x 45mm Coach / Carriage Bolt and Nut in Zinc Plated Steel WF23404 - 206 in stock	sachet of 2 for £2.42 or box of 100 for £23.39 or bulk of 500 for £77.42	£0.00
M8 x 50mm Coach / Carriage Bolt and Nut in Zinc Plated Steel WF23406 - 185 in stock	sachet of 2 for £2.19 or box of 80 for £17.48 or bulk of 400 for £59.89	£0.00
M8 x 55mm Coach / Carriage Bolt and Nut in Zinc Plated Steel WF23408 - 178 in stock	sachet of 2 for £2.69 or box of 100 for £30.15 or bulk of 500 for £103.18	£0.00
M8 x 60mm Coach / Carriage Bolt and Nut in Zinc Plated Steel WF23410 - 153 in stock	single bolt for £1.82 or box of 80 for £27.41 or bulk of 400 for £90.24	£0.00
M8 x 65mm Coach / Carriage Bolt and Nut in Zinc Plated Steel WF23412 - 87 in stock	sachet of 2 for £2.20 or box of 100 for £21.57 or bulk of 500 for £71.58	£0.00
M8 x 70mm Coach / Carriage Bolt and Nut in Zinc Plated Steel WF23414 - 587 in stock	sachet of 2 for £2.07 or box of 100 for £20.48 or bulk of 500 for £68.20	£0.00
M8 x 75mm Coach / Carriage Bolt and Nut in Zinc Plated Steel WF23877 - 166 in stock	sachet of 2 for £2.72 or box of 50 for £17.02 or bulk of 250 for £58.76	£0.00
M8 x 80mm Coach / Carriage Bolt and Nut in Zinc Plated Steel WF23416 - 119 in stock	sachet of 2 for £2.94 or box of 80 for £31.90 or bulk of 400 for £112.62	£0.00
M8 x 90mm Coach / Carriage Bolt and Nut in Zinc Plated Steel WF23418 - 110 in stock	single bolt for £2.10 or box of 60 for £24.16 or bulk of 300 for £79.92	£0.00
M8 x 100mm Coach / Carriage Bolt and Nut in Zinc Plated Steel WF23420 - 11 in stock	single bolt for £2.23 or box of 50 for £21.63 or bulk of 250 for £72.41	£0.00
M8 x 110mm Coach / Carriage Bolt and Nut in Zinc Plated Steel WF23878 - 114 in stock	single bolt for £2.15 or box of 50 for £20.95 or bulk of 250 for £70.30	£0.00
M8 x 120mm Coach / Carriage Bolt and Nut in Zinc Plated Steel WF20252 - 135 in stock	single bolt for £2.79 or box of 50 for £33.41 or bulk of 250 for £120.24	£0.00
M8 x 130mm Coach / Carriage Bolt and Nut in Zinc Plated Steel WF23879 - 63 in stock	single bolt for £2.63 or box of 40 for £24.00 or bulk of 200 for £79.64	£0.00
M8 x 140mm Coach / Carriage Bolt and Nut in Zinc Plated Steel WF23880 - 55 in stock	single bolt for £2.26 or box of 25 for £11.81 or bulk of 125 for £43.29	£0.00
M8 x 150mm Coach / Carriage Bolt and Nut in Zinc Plated Steel WF23881 - 62 in stock	single bolt for £2.90 or box of 50 for £36.33 or bulk of 250 for £134.01	£0.00
M8 x 160mm Coach / Carriage Bolt and Nut in Zinc Plated Steel WF23422 - 50 in stock	single bolt for £2.89 or box of 40 for £30.88 or bulk of 200 for £107.67	£0.00
M8 x 180mm Coach / Carriage Bolt and Nut in Zinc Plated Steel WF23424 - 81 in stock	single bolt for £3.17 or box of 25 for £27.33 or bulk of 125 for £91.34	£0.00
M8 x 200mm Coach / Carriage Bolt and Nut in Zinc Plated Steel WF23426 - 147 in stock	single bolt for £2.77 or box of 25 for £18.01 or bulk of 125 for £61.70	£0.00

M8 x 20mm Coach / Carriage Bolt and Nut in Zinc Plated Steel
WF13240 - 180 in stock

sachet of 2 for £1.69
or box of 150 for £24.43
or bulk of 750 for £80.50

£0.00

M8 x 25mm Coach / Carriage Bolt and Nut in Zinc Plated Steel
WF23396 - 285 in stock

sachet of 2 for £2.02
or box of 100 for £19.72
or bulk of 500 for £66.80

£0.00

M8 x 30mm Coach / Carriage Bolt and Nut in Zinc Plated Steel
WF23398 - 166 in stock

sachet of 3 for £2.93
or box of 150 for £36.69
or bulk of 750 for £135.03

£0.00

M8 x 35mm Coach / Carriage Bolt and Nut in Zinc Plated Steel
WF23400 - 197 in stock

sachet of 2 for £2.09
or box of 100 for £20.36
or bulk of 500 for £68.62

£0.00

M8 x 40mm Coach / Carriage Bolt and Nut in Zinc Plated Steel
WF23402 - 67 in stock

sachet of 2 for £2.66
or box of 150 for £38.82
or bulk of 750 for £145.02

£0.00

M8 x 45mm Coach / Carriage Bolt and Nut in Zinc Plated Steel
WF23404 - 206 in stock

sachet of 2 for £2.42
or box of 100 for £23.39
or bulk of 500 for £77.42

£0.00

M8 x 50mm Coach / Carriage Bolt and Nut in Zinc Plated Steel
WF23406 - 185 in stock

sachet of 2 for £2.19
or box of 80 for £17.48
or bulk of 400 for £59.89

£0.00

M8 x 55mm Coach / Carriage Bolt and Nut in Zinc Plated Steel
WF23408 - 178 in stock

sachet of 2 for £2.69
or box of 100 for £30.15
or bulk of 500 for £103.18

£0.00

M8 x 60mm Coach / Carriage Bolt and Nut in Zinc Plated Steel
WF23410 - 153 in stock

single bolt for £1.82
or box of 80 for £27.41
or bulk of 400 for £90.24

£0.00

M8 x 65mm Coach / Carriage Bolt and Nut in Zinc Plated Steel
WF23412 - 87 in stock

sachet of 2 for £2.20
or box of 100 for £21.57
or bulk of 500 for £71.58

£0.00

M8 x 70mm Coach / Carriage Bolt and Nut in Zinc Plated Steel
WF23414 - 587 in stock

sachet of 2 for £2.07
or box of 100 for £20.48
or bulk of 500 for £68.20

£0.00

M8 x 75mm Coach / Carriage Bolt and Nut in Zinc Plated Steel
WF23877 - 166 in stock

sachet of 2 for £2.72
or box of 50 for £17.02
or bulk of 250 for £58.76

£0.00

M8 x 80mm Coach / Carriage Bolt and Nut in Zinc Plated Steel
WF23416 - 119 in stock

sachet of 2 for £2.94
or box of 80 for £31.90
or bulk of 400 for £112.62

£0.00

M8 x 90mm Coach / Carriage Bolt and Nut in Zinc Plated Steel
WF23418 - 110 in stock

single bolt for £2.10
or box of 60 for £24.16
or bulk of 300 for £79.92

£0.00

M8 x 100mm Coach / Carriage Bolt and Nut in Zinc Plated Steel
WF23420 - 11 in stock

single bolt for £2.23
or box of 50 for £21.63
or bulk of 250 for £72.41

£0.00

M8 x 110mm Coach / Carriage Bolt and Nut in Zinc Plated Steel
WF23878 - 114 in stock

single bolt for £2.15
or box of 50 for £20.95
or bulk of 250 for £70.30

£0.00

M8 x 120mm Coach / Carriage Bolt and Nut in Zinc Plated Steel
WF20252 - 135 in stock

single bolt for £2.79
or box of 50 for £33.41
or bulk of 250 for £120.24

£0.00

M8 x 130mm Coach / Carriage Bolt and Nut in Zinc Plated Steel
WF23879 - 63 in stock

single bolt for £2.63
or box of 40 for £24.00
or bulk of 200 for £79.64

£0.00

M8 x 140mm Coach / Carriage Bolt and Nut in Zinc Plated Steel
WF23880 - 55 in stock

single bolt for £2.26
or box of 25 for £11.81
or bulk of 125 for £43.29

£0.00

M8 x 150mm Coach / Carriage Bolt and Nut in Zinc Plated Steel
WF23881 - 62 in stock

single bolt for £2.90
or box of 50 for £36.33
or bulk of 250 for £134.01

£0.00

M8 x 160mm Coach / Carriage Bolt and Nut in Zinc Plated Steel
WF23422 - 50 in stock

single bolt for £2.89
or box of 40 for £30.88
or bulk of 200 for £107.67

£0.00

M8 x 180mm Coach / Carriage Bolt and Nut in Zinc Plated Steel
WF23424 - 81 in stock

single bolt for £3.17
or box of 25 for £27.33
or bulk of 125 for £91.34

£0.00

M8 x 200mm Coach / Carriage Bolt and Nut in Zinc Plated Steel
WF23426 - 147 in stock

single bolt for £2.77
or box of 25 for £18.01
or bulk of 125 for £61.70

£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 Summary

nominal diameter

thread pitch

1.25

dk min.

minimum head diameter

19.35

square neck length

4.40

k min.

minimum head height

4.12

v min.

minimum head cylinder height

7.42

b min. <= 125

min. thread (bolt lengths <= 125)

b min. > 125

min. thread (bolt lengths > 125)

drive size

width across corners

14.38

m min.

minimum depth

6.14

Standard

ISO 8677 (DIN 603/555)

all dimensions in millimetres (mm)

				DIN 603/555 Standard HTML
				DIN 603/555 Standard PDF