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M8 Coach Bolts DIN 603 in Brass

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. Please note that thread lengths stated are a minimum; In some cases a full thread will be supplied where a partial threaded shank is indicated in the specification. Nuts are supplied seperately, unlike the mild steel versions available elsewhere on the site.
Coach Bolts DIN 603 in BRASS image
technical drawing of Coach Bolts DIN 603
Technical Summary
d nominal diameter M8
thread pitch thread pitch 1.25
dk min. minimum head diameter 19.35
fn 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) 22
b min. > 125 min. thread (bolt lengths > 125) 28
Standard DIN 603
Material Brass
all dimensions in millimetres (mm)
html graphic DIN 603 Standard HTML
pdf graphic DIN 603 Standard PDF
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technical drawing of Coach Bolts DIN 603
Technical Summary
d nominal diameter M8
thread pitch thread pitch 1.25
dk min. minimum head diameter 19.35
fn 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) 22
b min. > 125 min. thread (bolt lengths > 125) 28
Standard DIN 603
Material Brass
all dimensions in millimetres (mm)
html graphic DIN 603 Standard HTML
pdf graphic DIN 603 Standard PDF