Threaded Studs for Automobile

LF stud (W・TOP stud)

Material: SWCH15~18 (Strength Classification: 6.8) Surface Treatment: Zinc or Copper plating

Permissible work thickness

Work thickness: t0.65 min. (thickness before press) Surface treatment: 60g/m2 max.

LF stud (W・TOP stud)
Size M6
d1 M6×1.0
d2 9
d3 13
t1 1
t2 1
L 20
23
25
27
30
*There is stud with pitch-lock.

SD stud (ATC stud)

Material: SWCH10~12 (Strength Classification: 4.8) Surface Treatment: Zinc or Copper plating

Permissible work thickness

Work thickness: t0.6 min. (thickness before press) Surface treatment: 60g/m2 max.
SD stud (ATC stud)
Size M5 M6
d1 M5×0.8 M6×1.0
d2 6 7
t 0.7 0.9
L 10 10
- 13
15 15
20 20
25 25
*There is stud with pilot for M6.

TS stud / ABA stud)

Material: SWCH10~12 Surface Treatment: Zinc or Copper plating

Permissible work thickness

Work thickness: t0.6 min. (thickness before press) Surface treatment: 60g/m2 max.
TS stud / ABA stud
Size 5 6
d1 5 6
d2 6 7
t 0.7 1.5
L 10 -
15 15
- 18
20 20
25 25

MT stud

Material: SUSXM7 Surface treatment: no

Permissible work thickness

Work thickness: t0.6 min. (thickness before press) Surface treatment: 60g/m2 max.
MT stud
Size MT1 MT2
d1 5 5
d2 3 3
0.9 2
L 6.0 7.1
Height after welding 5.0 6.1

PIN Stud (ANC Stud)

Material: SWCH10~12 Surface treatment: Copper

Permissible work thickness

Thickness: t0.65 min. (Before press) Surface treatment: 60g/m2 max.
N3 stud
Size M6
 d1  9
d2  13
t1  1
t2  1
L1  L2
30  17
35  22
40  27

BNC stud

Material: SWCH10~12 Surface treatment: Zinc-chromate plating

Permissible work thickness

Thickness: t0.65 min. (Before press) Surface treatment: 60g/m2 max.
BNC stud
Size M6
d1 16
d2 9
4
L1 16
L2 14.3
L3 11

PTS stud

Material: SWCH10~12 Surface treatment: Zinc plating

Permissible work thickness

Thickness: t0.65 min. *In case that d2 is 11, t0.8 min. (Before press) Surface treatment: 60g/m2 max.
PTS stud
Size 6 6
d1 6 6
d2 9 11
1.2 1.2
L 20 20

T stud

Material: SUSXM7 Surface treatment: No

Permissible work thickness


T stud
Size T
d1 5
d2 3
0.9
L 4.0
Height after welding 3.4

I stud

Material: SWCH10~12 Surface treatment: Zinc plating

Permissible work thickness

Thickness: t0.6 min. (Before press) Surface treatment: 60g/m2 max.
I stud
Size I
d1 4.8
d2 3
2.0
L 7.0
Height after welding 6.5