SCREW PLUGS
SCREW PLUGS –JIS TYPE / LONG TYPE / TAPERED TYPE–
E ℓ dimension is the minimum dimension. This may be longer depending on the lot.
E M2.5–M10 are coarse thread, while M12–M45 (Pitch1.5) are fine thread.
MSWJ (JIS type)
MSWC (Long type)
MSW MSWS (Short type)
MSWZ (Washer type) MSWZS (Washer, short type)
MSWA (Through hole type) MSWAS (Through hole, short type)
× P M
× P M
× P M
t
t
Detailed view of head thickness 1.5
ℓ
ℓ
M B
B M
a
L
L
C
L
L
B
B
L 1.5
H B
M Material SCM435
H Hardness 45–53HRC
M Material S45C
H Hardness 32–42HRC
s Surface treatment Black Oxide
s Surface treatment Black Oxide
E M6/8 c a = 0.3 M10–33 c a = 0.5
M Material MSW SCM435(M2.5–10) S45C(M12–45) MSWS S45C H Hardness 34–43HRC s Surface treatment Black Oxide (Class 2 JIS B 0207)
M × Pitch (Coarse thread)
M × Pitch (Coarse thread) M 6 × 1.0 M 8 × 1.25 M10 × 1.5 M12 × 1.75 M14 × 2.0 M16 × 2.0 M18 × 2.5 M20 × 2.5 M22 × 2.5 M24 × 3.0 M27 × 3.0 M30 × 3.5
M Material H Hardness
S45C
M Material H Hardness
S45C
Part Number
Part Number Type
33–38HRC s Surface treatment Black Oxide
34–43HRC s Surface treatment Black Oxide
ℓ K B
L
L
B ℓ
Type
M
M
(Class 2 JIS B 0207)
(Class 2 JIS B 0207)
3 4 5
3 4 5
6 8
1.2 1.5 1.5 2.5
4 5 6 5 6 8
■ Standard type
■ Full Length Short Type
M 3 × 0.5
3
1.4 1.5
Part Number Type
10 12 14 16 18 20 22 24 27 30
Part Number Type
M × P L B t
M × P L B t
30
M–L
6
6
M 4 × 0.7
M
4
2 2
8–6
8
1.25
4 5 6 8
MSWC (Long type)
2.5
2.5 0.45
3 3 4 5 6 8
1.3 1.5
10–6 12–6 14–6 16–6 18–6 20–8 22–8 24–8 25–8 26–8 27–8 28–8 30–8 33–8
10 12 14 16 18 20 22 24 25 26 27 28 30 33
1.5
8
8
1.2
6 8 10 8 10 15 10 12 15 12 15 20 15 20 25
3 ＊ 4 ＊ 5 ＊
3 4 5 6 8
0.5 0.7 0.8 1.0
M 5 × 0.8 3
5
2.5 2.5
6
3
2
1.5
10
10
2.5
2
12
MSWJ (JIS type)
6 8
3 4 5
3.5
12 14 17
35
M 6 × 1.0 3.5 3 3
6
10 12
1.25
5 6
14 17
MSWS (Short)
1.5 (Fine thread)
10 12 14 16 18 20 22 24 25 26 27 28 30 33 36 38 40 42 45
10 12 14 16 18 20 22 24 25 26 27 28 30 33 36 38 40 42 45
1.5
M 8 × 1.25 5 5 4
8
6
Part Number – L MSWJ10 – 15
10
Delivery Quotation
5.5
Order
8
4
14
8
M10 × 1.5 6 6 5
10
10
MSW
17
12
M12 × 1.75 8 8 6
12
Part Number
1.5 (Fine thread)
M × P
L
B
12
14
6
Type
M–L
MSWT (Tapered type) MSWTS (Stainless, tapered type)
a:
R （ PT ） Reference diameter position
8–6
8
1.25
4 5 6 8
10–6 12–6 14–6 16–6 18–6 20–8 22–8 24–8 25–8 26–8 27–8 28–8 30–8 33–8
10 12 14 16 18 20 22 24 25 26 27 28 30 33
1.5
6
16
17
10 12
MSWAS Through hole, short
MSWT
M Material H Hardness
SCM435
18
10
1.5 (Fine thread)
32–42HRC s Surface treatment Black Oxide (Fe 3 O 4 )
t
B
Thread part JIS B0203 Tapered thread for tubing R (PT)
L
8
14
E ＊ The tips of MSW 3, 4 and 5 are the "cup points". ( d Right Page)
MSWTS M Material Part Number
SUSXM7
Part Number Type
M × P
L
B
M
17
8
8
1.25
8
4 5 6 8
D
a
L
B
t
R(PT)
Type
No.
10 12 14 16 18 20 22 24 25 26 27 28 30 33
10 12 14 16 18 20 22 24 25 26 27 28 30 33
1.5
Part Number
M × P L B H t
C
Type
M–L
＊ J ＊ S
7.723 7.779 9.728
0.45 0.47 0.45
6
4
3.0 3.1 3.5 4.5
10
MSWT
1/16
10–10 12–10 14–10 16–10 18–10 20–10 22–10 24–10 25–10 26–10 27–10 28–10 30–12 33–12
10 1.5
5 13
4 + 0.03
6.4
–0.032
15 17 21 23 27 28 29 30 31 33 36
12 14 16 18 20 22 24 25 26 27 28 30 33
1 2 3 4 6 8
7
5 6 8
1/8 1/4 3/8 1/2 3/4
6
10 12
13.157 16.662 20.955 26.441 33.249
0.7 0.7
8.9
MSWT MSWTS (Stainless Steel)
MSWA (Through hole)
8 19
10 12 14
5 6 7 9
1.5 (Fine thread)
10
10 14 17
0.9
10
4
MSWZS Washer type, short
1.5 (Fine thread)
12 25
2.0
12
14
1
1.1
16.5
E ＊ MSWT No. S is ANSI thread; Use a 5/32" hex wrench for mounting. MSWT No. J is JIS thread.
14
Part Number MSWT J MSWT 4
17
Quotation
Delivery
Order
12 17
5
Part Number Type
M × P L B H t
C
M
■ Washer type ● Seat section gives loosening prevention effect. ● Chamfering depth W prevents over–tightening of the spring.
E Compared with the standard type ( MSW/MSWA/MSWZ ), the short type screw plugs naturally have less threads. Before use, check the load that applies to the screw plug and the material of the plate to be tapped.
■ MSW ● Adjustment of fixing position is easy. ■ Penetration hole type ● It can be fixed in combination with MSW as a double nut. ■ Short Type ● Short L dimension enables use in small space. ● Plate material to process tap hole and load on screw plug are to be concerned because the amount of threading on the screw is small.
6 1.0 8 3 9 8 1.25 10 4 11
6 8
■ MSW ： Dimensions and shape of cup point
Example
10 1.5
5 13
10 12 14 16 18 20 22 24 25 26 27 28 30 33
Part Number MSW 18 MSWS 18–6
12 14 16 18 20 22 24 25 26 27 28 30 33
15 17
d Right Page
Order
6
12
About 120 °
5
MSWA MSWAS MSW
8 19
21 23
10
MSWZ (Washer type)
Quotation Delivery
2.5
12 25
1.5 (Fine thread)
Part Number dz max. MSW3 1.4 MSW4 2.0 MSW5 2.5 E The tips of MSW 3, 4 and 5 are the "cup points". Please take note of this.
27 28 29 30 31 33 36
15
14
7
17
1107
1108
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