Oil groove
Plain
SUPPORT PINS –OIL GROOVE TYPE–
Suitable
Support Pins
Leader Bushings
Part Number – L – N SPP–OC25 – 190 – N30
Delivery Quotation
Order
Part Number – L(LC) – N SPP–OC25 – LC152 – N30
Alterations
E Oil grooves D P.820 E Oil groove part might not be colored by heat treatment. E There may be a center hole on the end. E Designate N = 8 when no press–fit section is required.
Type
Part Number
M Material H Hardness
Alterations
Code
Spec.
58HRC– (Induction hardening)
SPP–OC
Press–fit length designation
SUJ2
Changes the full length. LC = 1mm increments E Lmin. < LC < Lmax. The tap depth becomes shorter by (standard L–LC) since this alteration cuts a standard length piece of 5mm increments.
LC
LC
L
■ Chart of press–fit tolerance
F
1 － 3
M
G
■ Oil groove processing overview
＋ 0.020
1.6
＋ 0.015
＋ 0.018 ＋ 0.002
ℓ
＋ 0.010
Sliding part （ D ）
5
＋ 0.015 ＋ 0.002
P 1
P 1
P 1
P 1
P 1
1 － 3
－ 0.2 0
＋ 0.012 ＋ 0.001
8
＋ 0.005
N
＋ 1.3 ＋ 1.0
L
0
D20 – 30
D32 – 40
D13/16
Press–fit section D k6
M (Course thread)
Part Number
5
Sliding part D f6
L 5mm increments
N 1mm increments
F H
W
－ 0.2 0
M × Pitch
Type
D
ℓ
8
N
M 6 × 1.0
13
60–120
13
13
12 16
12
L
+ 0.012 + 0.001
–0.016 –0.027
M10 × 1.5 20
16
80–210
8–30
16
16
14 19
19 23 M12 × 1.75 24
20
90–300
20
20
Oil groove processing
Oil grooves are formed at intervals of P 1 from the tip.
Nmax.: Maximum Value of press–fit length P 1 : Interval of oil groove W : Oil groove width
25
8–40
25
25
22 28
+ 0.015 + 0.002
–0.020 –0.033
100–300
28
28
28
27 31
D
Nmax.
P 1
W
SPP–OC (Press–fit section D k6 )
13/16
20
30
30
30
29 35
30
20
25
3
25
40
M16 × 2.0 32
32
8–50
32
30 35
32
28/30
30
50
150–350
35
35
35
32 40
32/35/36
+ 0.018 + 0.002
35
5
–0.025 –0.041
40
60
36
36
36
41
36
40
8–60
40
40
45
Example
Stop Bolt
Puller bolt
Receiving the weight of a die plate on their tips, support pins may get defected due to a large amount of bending moment and eventually break due to resulting cracks. Usage of leader bushing is recommended.
Support pin
Color for support pin
819
820
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