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DIN 186 T Bolts
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DIN 186 T Bolts

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Product Description

DIN 186 - T-Head bolts with square neck Head

Leader-Fastener® T-Head Bolts, also knows as Hammer Head Bolts, T-Slot Bolts and Tank Strap Bolts, have either a Tee or square shaped head. Normally they are are installed into a hole with a tee shaped slot so that the head of the bolt can sit flush, and the shape of the bolt resists turning while tightening.

Metric DIN 186 T Bolts have a T-shaped head which can fit into a pre-cut slot or can be easily gripped by a standardwrench. DIN 186 T-Head bolts are partiallythreaded along their shank, the thread length depending primarily on the lengthof the bolt. The square neck right beneath the head seats into the hole, preventing the bolt from rotating in its hole. T-head bolts can be used for most applications involving tensioning and clamping.


Leader-Fastener® DIN 186 - 2010 T-head Bolts with Square Neck


Screw Thread d M6 M8 M10 M12 M16 M20 M24 M30 M36 M42 M48
P Pitch 1 1.25 1.5 1.75 2 2.5 3 3.5 4 4.5 5
ds Nominal Size 6 8 10 12 16 20 24 30 36 42 48
max 6.48 8.58 10.58 12.7 16.7 20.84 24.84 30.84 37 43 49
min 5.52 7.42 9.42 11.3 15.3 19.16 23.16 29.16 35 41 47
k Nominal Size 4.5 5.5 7 8 10.5 13 15 19 23 26 30
max 4.9 5.9 7.5 8.75 11.4 13.9 15.9 20 24 27 31
min 4.1 5.1 6.5 7.25 9.6 12.1 14.1 18 22 25 29
n Nominal Size 6 8 10 12 16 20 24 30 36 42 48
max 6.6 8.75 10.75 12.9 16.9 21 25 31 37.25 43.25 49.25
min 5.4 7.25 9.25 11.1 15.1 19 23 29 34.75 40.75 46.75
m Nominal Size 16 18 21 26 30 36 43 54 66 80 88
min 15.1 17.1 20 25 29 34.75 41.75 52.5 64.5 78.5 86.25
max 16.9 18.9 22 27 31 37.25 44.25 55.5 67.5 81.5 89.75
r1 0.5 0.5 0.5 1 1 1 1.6 1.6 2 2 2
r2 max 0.9 1.2 1.5 1.8 2.4 3 3.6 4.5 5.4 6.3 7.2
Weight of per 1000 steel products(≈kg) - - - - - - - - - - -
Length of Thread b - - - - - - - - - - -


①,Threaded chamfered end (CH) or rounded end (RN) according to DIN EN ISO 4753 according to the manufacturer's choice

②,For L > 200 mm. Lengths over 200 mm are to be stepped from 20 mm to 20 mm. The following applies to these lengths: Thread length b = 2 d + 25 mm or as agreed.

③,Form A,with shaft

Form B,with long thread

④,r2, max.= 0.15×d

⑤,a) Material: Steel

b) Mechanical properties : Strength class (Material)≤M39,4.6; > M39 by arrangement ; standard DIN ISO 898-1




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