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SOCKET SETSCREWS (IMPERIAL)
ASME B18.3
| DIA | CUP POINT (M) | DOG POINT (M) | CONE POINT (M) | FLAT POINT (M) | |||||
|---|---|---|---|---|---|---|---|---|---|
| LENGTH | MIN | LENGTH | MIN | Z | LENGTH | MIN | LENGTH | MIN | |
| 1/4 | L ≥ 0.25 | 0.125 | L ≥ 0.31 | 0.125 | 0.059 - 0.067 | L ≥ 0.31 | 0.125 | L ≥ 0.25 | 0.125 |
| 5/16 | L ≥ 0.31 | 0.156 | L ≥ 0.38 | 0.156 | 0.074 - 0.082 | L ≥ 0.44 | 0.156 | L ≥ 0.31 | 0.156 |
| 3/8 | L ≥ 0.38 | 0.188 | L ≥ 0.44 | 0.188 | 0.089 - 0.099 | L ≥ 0.44 | 0.188 | L ≥ 0.38 | 0.188 |
| 7/16 | L ≥ 0.44 | 0.219 | L ≥ 0.50 | 0.219 | 0.104 - 0.114 | L ≥ 0.63 | 0.219 | L ≥ 0.44 | 0.219 |
| 1/2 | L ≥ 0.50 | 0.250 | L ≥ 0.63 | 0.250 | 0.120 - 0.130 | L ≥ 0.63 | 0.250 | L ≥ 0.50 | 0.250 |
| 5/8 | L ≥ 0.63 | 0.312 | L ≥ 0.88 | 0.312 | 0.148 - 0.164 | L ≥ 0.88 | 0.312 | L ≥ 0.63 | 0.312 |
| 3/4 | L ≥ 0.75 | 0.375 | L ≥ 1.00 | 0.375 | 0.180 - 0.196 | L ≥ 1.00 | 0.375 | L ≥ 0.75 | 0.375 |
| 7/8 | L ≥ 0.88 | 0.500 | L ≥ 1.00 | 0.500 | 0.211 - 0.227 | L ≥ 1.00 | 0.500 | L ≥ 0.88 | 0.500 |
| 1 | L ≥ 1.00 | 0.562 | L ≥ 1.25 | 0.562 | 0.240 - 0.260 | L ≥ 1.25 | 0.562 | L ≥ 1.00 | 0.562 |
POINT DIMENSIONS
1/4 +
Cup Point
LengthL ≥ 0.25
Min0.125
Dog Point
LengthL ≥ 0.31
Min0.125
Z0.059 – 0.067
Cone Point
LengthL ≥ 0.31
Min0.125
Flat Point
LengthL ≥ 0.25
Min0.125
5/16 +
Cup Point
LengthL ≥ 0.31
Min0.156
Dog Point
LengthL ≥ 0.38
Min0.156
Z0.074 – 0.082
Cone Point
LengthL ≥ 0.44
Min0.156
Flat Point
LengthL ≥ 0.31
Min0.156
3/8 +
Cup Point
LengthL ≥ 0.38
Min0.188
Dog Point
LengthL ≥ 0.44
Min0.188
Z0.089 – 0.099
Cone Point
LengthL ≥ 0.44
Min0.188
Flat Point
LengthL ≥ 0.38
Min0.188
7/16 +
Cup Point
LengthL ≥ 0.44
Min0.219
Dog Point
LengthL ≥ 0.50
Min0.219
Z0.104 – 0.114
Cone Point
LengthL ≥ 0.63
Min0.219
Flat Point
LengthL ≥ 0.44
Min0.219
1/2 +
Cup Point
LengthL ≥ 0.50
Min0.250
Dog Point
LengthL ≥ 0.63
Min0.250
Z0.120 – 0.130
Cone Point
LengthL ≥ 0.63
Min0.250
Flat Point
LengthL ≥ 0.50
Min0.250
5/8 +
Cup Point
LengthL ≥ 0.63
Min0.312
Dog Point
LengthL ≥ 0.88
Min0.312
Z0.148 – 0.164
Cone Point
LengthL ≥ 0.88
Min0.312
Flat Point
LengthL ≥ 0.63
Min0.312
3/4 +
Cup Point
LengthL ≥ 0.75
Min0.375
Dog Point
LengthL ≥ 1.00
Min0.375
Z0.180 – 0.196
Cone Point
LengthL ≥ 1.00
Min0.375
Flat Point
LengthL ≥ 0.75
Min0.375
7/8 +
Cup Point
LengthL ≥ 0.88
Min0.500
Dog Point
LengthL ≥ 1.00
Min0.500
Z0.211 – 0.227
Cone Point
LengthL ≥ 1.00
Min0.500
Flat Point
LengthL ≥ 0.88
Min0.500
1 +
Cup Point
LengthL ≥ 1.00
Min0.562
Dog Point
LengthL ≥ 1.25
Min0.562
Z0.240 – 0.260
Cone Point
LengthL ≥ 1.25
Min0.562
Flat Point
LengthL ≥ 1.00
Min0.562
| DIA | DP | DZ | DL (MAX) | DA | B (NOM) |
|---|---|---|---|---|---|
| 1/4 | 0.118 - 0.132 | 0.118 - 0.132 | 0.0250 | 0.149 - 0.156 | 1/8 (0.125) |
| 5/16 | 0.156 - 0.132 | 0.156 - 0.132 | 0.0312 | 0.195 - 0.203 | 5/32 (0.156) |
| 3/8 | 0.194 - 0.212 | 0.194 - 0.212 | 0.0375 | 0.241 - 0.250 | 3/16 (0.188) |
| 7/16 | 0.232 - 0.252 | 0.232 - 0.252 | 0.0437 | 0.287 - 0.297 | 7/32 (0.219) |
| 1/2 | 0.270 - 0.291 | 0.270 - 0.291 | 0.0500 | 0.334 - 0.344 | 1/4 (0.250) |
| 5/8 | 0.347 - 0.371 | 0.347 - 0.371 | 0.0625 | 0.456 - 0.469 | 5/16 (0.312) |
| 3/4 | 0.425 - 0.450 | 0.425 - 0.450 | 0.7500 | 0.549 - 0.562 | 3/8 (0.375) |
| 7/8 | 0.502 - 0.530 | 0.502 - 0.530 | 0.8750 | 0.642 - 0.656 | 1/2 (0.500) |
| 1 | 0.579 - 0.609 | 0.579 - 0.609 | 0.1000 | 0.734 - 0.750 | 9/16 (0.562) |
DIMENSION DATA
1/4 +
DP0.118 - 0.132
DZ0.118 - 0.132
DL (MAX)0.0250
DA0.149 - 0.156
B (NOM)1/8 (0.125)
5/16 +
DP0.156 - 0.132
DZ0.156 - 0.132
DL (MAX)0.0312
DA0.195 - 0.203
B (NOM)5/32 (0.156)
3/8 +
DP0.194 - 0.212
DZ0.194 - 0.212
DL (MAX)0.0375
DA0.241 - 0.250
B (NOM)3/16 (0.188)
7/16 +
DP0.232 - 0.252
DZ0.232 - 0.252
DL (MAX)0.0437
DA0.287 - 0.297
B (NOM)7/32 (0.219)
1/2 +
DP0.270 - 0.291
DZ0.270 - 0.291
DL (MAX)0.0500
DA0.334 - 0.344
B (NOM)1/4 (0.250)
5/8 +
DP0.347 - 0.371
DZ0.347 - 0.371
DL (MAX)0.0625
DA0.456 - 0.469
B (NOM)5/16 (0.312)
3/4 +
DP0.425 - 0.450
DZ0.425 - 0.450
DL (MAX)0.7500
DA0.549 - 0.562
B (NOM)3/8 (0.375)
7/8 +
DP0.502 - 0.530
DZ0.502 - 0.530
DL (MAX)0.8750
DA0.642 - 0.656
B (NOM)1/2 (0.500)
1 +
DP0.579 - 0.609
DZ0.579 - 0.609
DL (MAX)0.1000
DA0.734 - 0.750
B (NOM)9/16 (0.562)
Dimensions in millimetres
Available in Grade 14.9 Steel and A2 & A4 Stainless Steel
Other materials manufactured on request