Self Tapping Threaded Inserts - Shanghai Jingyang - #12

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Self-clinching nut, Insert, Stud, Fastener, Threaded stud


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The Insert in the workpiece- -(Référence)
installation recommendation
avoid any tilting between the insert and the screw under the head or in the thread. for this reason, in the case of adjusting screws the insert is driven in to a depth of>= 1mm. studs are countersunk to the floor surface of the blind hole (see illustration).
Borehole diameter (mm)
Standard values for JY-201/202/203
Standard values for JY-204/205 -211/212
Workpiece Light alloys
Rm<250
Material
Rm=tensile strength [N/mm2]
Rm<300
Rm<350 | ~ | Rm<350 |
Ms, bronze, NF-metall
Rm<200HB
Cast iron
HB=brinell
[N/mm2]
hardness
<200HB
Zoll N°4
4.1 4.6
>200HB
Rm>200HB
4.2 4.7
1
INSERT Internai thread
M2/M2.5 M3
4.3 4.8
4.6
4.7
4.8
M3.5 M4
N°6 N°8
5.4 5.9
5.5 6.0
5.6 6.1
5.7
5.5 6.0
m
5.6 6.1
5.7 6.2
The adjacent table is used to détermine the recommended bore hole diameter depending on the material of the work­piece and the Insert type / dimension.
Example:
Light alloy workpiece (Rm=280 N/mm2), Internai thread M8. recommended bore hole diameter for JY-201: 11.2 to 11.4 mm JY-204/205:11.2to 11.5mm
In case of processing problems (e.g. markedly increased screw-in torque levels ) there is generally no harm in selecting diameter data in the next highest column. In case of doubt. we advise carrying out a test.
6.2
M5 M6(a)
N°10
7.2 8.2
7.3 8.3
7.5 8.5
7.4
7.6
7.7
8.6
S7.5
9.6 11.5
M6 M8
1/ " 5/16"
8.8 10.8
9.0 11.0
9.4 11.4
9.3 11.1
9.4 11.2
9.5 11.3
M10 M12
3/ " 7/16"
12.8 14.8
13.0 15.0
'MO/ 19.2
13.4 i54 17.4 19.4
13.1 15.0
13.2 15.1
13.3 15.2
13.5
M14 M16
1/2"
5/8 "
16.8 18.8
17.0 19.0
17.0 19.0
17.1 19.1
17.2 19.2
17.4 19.4
M18
M20/22
3/4"
20.8 24.8
21.0 25.0
25.2
21.4 25.4
M24 M27 M30
28.8 32.8 34.8
29.0 33.0 35.0
29.2 33.2 35.2
29.4 33.4 35.4
Flange cover approx
60%
50%
40%
30%
80%
70%
60%
50%
Recommended borehole diameter for easy assembly Other diameters may require lubrication
retaining hole
the retaining hole can be simply drilled or already provided for in the casting.
it is generally not necessary to countersink the hole. however, we do recommend that you take care not to warp the workpiece surface when screwing in the insert. material thickness:
length of the insert = smallest admissible material thickness m. depth of the blind hole: minimum depth-t see works standard. borehole diameter:
brittle, tough and hard materials call for a larger borehole than soft or elastic materials. for guideline values, see the table above. edge distance:
the smallest still admissible edge distance dépends on the planed stress level and the elasticity of the material
into which the insert is screwed.
guideline values for light alloys:
w 5ï 0.2 to 5^0.6 e
guideline values for cast iron:
w^0.3to ^0.5 e
e = outside diameter of the insert [mm]

pageCatalog pdf di En 2012-06-22-01