Brochure

7b
HELICOIL
®
Plus thread inserts
d = Nominal thread diameter
P = Thread pitch
d
1
= Outside diameter of thread insert prior to installation
W = Number of threads prior to installation
D
HC
= Outside diameter of the parent thread
D
1HC
= Crest diameter
B = Suitable twist drill diameter. Please note:
D
1HC
is critical for selecting the correct twist drill
diameter.
t
1
= Minimum depth of tapped hole according to
DIN 76 – Part 1 (guide value)
t
2
= The nominal length of the thread insert corresponds
to the minimum length of the full parent thread for
blind holes or the minimum plate thickness for a
through hole.
t
3
= Maximum screw-in depth when the tang is not
removed
t
5
= Distance of the thread insert from the joint face =
0.25 to 0.5 P, if t
2
corresponds to the above-
mentioned minimum value

Prior to tapping, counter-bore 90° and deburr. Outside
diameter of countersink = D
HC
+ 0.1 mm.

When you use HELICOIL
®
Plus thread inserts for volume
production, we recommend to add at least 1 x P to values t
1
and t
2
.

Materials and surface finishes must be indicated with the 5
th
digit of the item no:
0 = Stainless steel A 2, X 5 CrNi 18 10
1 = Bronze, CuSn 6
2 = Nimonic 90, NiCr 20 Co 18 Ti, silver plated*
3 = Stainless steel A 4, X 6 CrNiMoTi 17 12 2
4 = Inconel X 750, NiCr 15 Fe 7 TiAl, silver plated*
5 = Inconel X 750, NiCr 15 Fe 7 TiAl, bright
6 = Stainless steel A 2, X 5 CrNi 18 10, cadmium-plated
7 = Stainless steel A 2, X 5 CrNi 18 10, magazined**
8 = Bronze, CuSn 6, magazined**
Other materials on request
** Use special tools for HELICOIL
®
Screwlock
**See page 24
All measures in mm. Technical changes reserved.
Example:
4130 002 0005

W
d
1
notch
tang
Free Running
W
d
1
notch
tang
Screwlock
W and d
1
are the control values for thread inserts
(Free Running and Screwlock) before they have been installed.
The length can only be measured for installed thread inserts.
Holding thread Assembly
1817 b
HELICOIL
®
Plus thread inserts
t
2
min.* d
1
D
1HC
D
HC
min. min. Free Running Screwlock
d P x d mm W max. max. B t
3
max. min. Item No
¿
Item No
¿
1.0 d 2.0 2.9 1.8 4130 002 0002
1.5 d 3.0 4.9
2.60 2.09
2.8 4130 002 0003
M 2 0.40 2.0 d 4.0 6.9
2.80 2.18
2.10 3.8 2.52 4130 002 0004 on request
2.5 d 5.0 8.9 4.8
4130 002 0005
3.0 d 6.0 10.9 5.8 4130 002 0006
1.0 d 2.5 3.5 2.3 4130 025 0025 4132 025 0025
1.5 d 3.75 5.9
3.30 2.60
3.5 4130 025 0375 4132 025 0375
M 2.5 0.45 2.0 d 5.0 8.1
3.50 2.70
2.60 4.8 3.08 4130 025 0005 4132 025 0005
2.5 d 6.25 10.5 6.0 4130 025 0625 4132 025 0625
3.0 d 7.5 12.9 7.3 4130 025 0075 4132 025 0075
1.0 d 3.0 3.9 2.7 4130 003 0003 4132 003 0003
1.5 d 4.5 6.3
3.80 3.11
4.2 4130 003 0045 4132 003 0045
M 3 0.5 2.0 d 6.0 8.7
4.00 3.22
3.20 5.7 3.65 4130 003 0006 4132 003 0006
2.5 d 7.5 11.1 7.2 4130 003 0075 4132 003 0075
3.0 d 9.0 13.5 8.7 4130 003 0009 4132 003 0009
1.0 d 3.5 3.7 3.2 4130 035 0035 4132 035 0035
1.5 d 5.25 6.3
4.42 3.63
5.0 4130 035 0053 4132 035 0053
M 3.5 0.6 2.0 d 7.0 8.7
4.60 3.76
3.70 6.7 4.28 4130 035 0007 4132 035 0007
2.5 d 8.75 11.2 8.5 4130 035 0875 4132 035 0875
3
.0 d 10.5 13.3 10.2 4130 035 0105 4132 035 0105
1.0 d 4.0 3.7 3.6 4130 004 0004 4132 004 0004
1.5 d 6.0 6.1
5.05 4.15
5.6 4130 004 0006 4132 004 0006
M 4 0.7 2.0 d 8.0 8.4
5.25 4.29
4.20 7.6 4.91 4130 004 0008 4132 004 0008
2.5 d 10.0 10.9 9.6 4130 004 0010 4132 004 0010
3.0 d 12.0 13.2 11.6 4130 004 0012 4132 004 0012
1.0 d 5.0 4.3 4.6 4130 005 0005 4132 005 0005
1.5 d 7.5 6.9
6.35 5.17
7.1 4130 005 0075 4132 005 0075
M 5 0.8 2.0 d 10.0 9.7
6.60 5.33
5.20 9.6 6.04 4130 005 0010 4132 005 0010
2.5 d 12.5 12.3 12.1 4130 005 0125 4132 005 0125
3.0 d 15.0 14.8 14.6 4130 005 0015 4132 005 0015
1.0 d 6.0 4.2 5.5 4130 006 0006 4132 006 0006
1.5 d 9.0 6.9
7.60 6.22
8.5 4130 006 0009 4132 006 0009
M 6 1.0 2.0 d 12.0 9.6
7.85 6.41
6.30 11.5 7.30 4130 006 0012 4132 006 0012
2.5 d 15.0 12.3 14.5 4130 006 0015 4132 006 0015
3.0 d 18.0 14.6 17.5 4130 006 0018 4132 006 0018
1.0 d 7.0 5.3 6.5 4130 007 0007 4132 007 0007
1.5 d 10.5 8.2
8.65 7.22
10.0 4130 007 0105 4132 007 0105
M 7 1.0 2.0 d 14.0 11.1
8.90 7.41
7.30 13.5 8.30 4130 007 0014 4132 007 0014
2.5 d 17.5 14.3 17.0
4130 007 0175 4132 007 0175
3
.0 d 21.0 17.4 20.5 4130 007 0021 4132 007 0021
1.0 d 8.0 4.7 7.4 4130 008 0008 4132 008 0008
1.5 d 12.0 7.4
9.85 8.27
11.4 4130 008 0012 4132 008 0012
M 8 1.25 2.0 d 16.0 10.6
10.10 8.48
8.40 15.4 9.62 4130 008 0016 4132 008 0016
2.5 d 20.0 13.5 19.4 4130 008 0020 4132 008 0020
3.0 d 24.0 16.4 23.4 4130 008 0024 4132 008 0024
1.0 d 8.0 6.1 7.5 4130 008 3008 4132 008 3008
1.5 d 12.0 9.5
9.85 8.22
11.5 4130 008 3012 4132 008 3012
M 8 x 1 1.0 2.0 d 16.0 12.9
10.10 8.41
8.30 15.5 9.30 4130 008 3016 4132 008 3016
2.5 d 20.0 16.5 19.5 4130 008 3020 4132 008 3020
3
.0 d 24.0 19.9 23.5 4130 008 3024 4132 008 3024
*Intermediate lengths also available.

See flap page 17 b
Lead time of items: approx. 3 weeks (10,000 pieces max.).
We have items with blue order numbers in stock – subject to being unsold.