Page 53 - BlueFastening-Systems_Brochure_07192017

Note: The values shown are by way of example parameters. Specific values must always be determined by carrying out trials on
original production parts. Our Fastener Testing Centre is always happy to answer any further questions you may have.

Cast core hole Drilled core hole

Installation recommendations for applications in cast magnesium

Cast aluminium core hole Joining metals

Nominal Ø M2.5 M3 M3.5 M4 M5 M6 M8 M10
4.71+0.08 5.62+0.10 7.60+0.12 9.53+0.12
A 2.31+0.08 2.80+0.08 3.25+0.08 3.73+0.08 4.47+0.08 5.33+0.10 7.17+0.12 9.01+0.12
15.70 19.00 25.00 31.00
cast effective B 2.20+0.08 2,67+0.08 3.10+0.08 3.54+0.08 17.20 20.50 26.70 32.80
screw-in depth L 8.05 9.50 11.15 12.80 13.30 16.00 21.30 26.50
= 2,5 x d Kmin 9.05 10.70 12.40 14.00 4.66+0.08 5.56+0.10 7.50+0.12 9.43+0.12
X 6.70 8.00 9.35 10.70 4.47+0.08 5.33+0.10 7.17+0.12 9.01+0.12
13.2 16.0 21.0 26.0
A 2.29+0.08 2.77+0.08 3.22+0.08 3.69+0.08 14.7 17.5 22.7 27.8
10.80 13.00 17.25 21.50
cast effective B 2.20+0.08 2.67+0.08 3.10+0.08 3.54+0.08 4.61+0.08 5.50+0.10 7.40+0.12 9.33+0.12
screw-in depth L 6.8 8.0 9.4 10.8 4.47+0.08 5.33+0.10 7.17+0.12 9.01+0.12
=2xd Kmin 7.8 9.2 10.6 12.0 10.70 13.00 17.00 21.00
X 5.45 6.50 7.60 8.70 11.70 14.00 18.00 22.00
8.30 10.00 13.25 16.50
A 2.27+0.08 2.74+0.08 3.19+0.08 3.65+0.08 5.3+0.08 6.3+0.08 8.5+0.08 10.5+0.08
0.90-0.2 1.10-0.2 1.30-0.2 1.70-0.3
cast effective B 2.20+0.08 2.67+0.08 3.10+0.08 3.54+0.08 0.5 0.5 0.6 0.7
screw-in depth L 5.55 6.50 7.65 8.80 8.3 10.0 13.3 16.6
= 1,5 x d Kmin 6.55 7.50 8.65 9.80 1.2 1.2 1.3 1.3
X 4.20 5.00 5.85 6.70

C 2.7+0.08 3.2+0.08 3.7+0.08 4.3+0.08

additional EMC t 0.55-0.2 0.60-0.2 0.70-0.2 0.80-0.2
requirements Rmax 0.4 0.4 0.4 0.4
Information: Hmin 4.2 5.0 5.8 6.7
for cast holes 1.1 1.1 1.1 1.1

Drilled DH11 2.25 2.74 3.19 3.64 4.58 5.48 7.35 9.22
53 11
*) recommended, effective penetration depth into aluminium corresponds to 2.5 x d.
(effective penetration depth = penetration depth - length of tapping zone - relief bore depth)

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