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寸法 | 単位：インチ |
| Norminal Size or Basic Shoulder Diameter |
D | A | H | S | J | T | M | R | |||||||
| Shoulder Diameter |
Head Diameter |
Head Height |
Head Ｓｉｄｅ Ｈｅｉｇｈｔ |
Hexagon Socket Size |
Key Engage- ment |
Head Fillet Extension Above D |
Head Fillet Radius |
||||||||
| Max | Min | Max | Min | Max | Min | Min | Nom | Min | Max | Min | |||||
|
0.2480 0.3105 0.3730 0.4980 |
0.2460 0.3085 0.3710 0.4960 |
0.375 0.438 0.562 0.750 |
0.375 0.419 0.543 0.729 |
0.188 0.219 0.250 0.312 |
0.177 0.209 0.240 0.302 |
0.157 0.183 0.209 0.262 |
1/ 8 0.125 5/32 0.156 3/16 0.188 1/ 4 0.250 |
0.094 0.117 0.141 0.188 |
0.014 0.017 0.020 0.026 |
0.009 0.012 0.015 0.020 |
||||
|
0.6230 0.7480 0.9980 |
0.6210 0.7460 0.9960 |
0.875 1.000 1.312 |
0.853 0.977 1.287 |
0.375 0.500 0.625 |
0.365 0.490 0.610 |
0.315 0.421 0.527 |
5/16 0.312 3/ 8 0.375 1/ 2 0.500 |
0.234 0.281 0.375 |
0.032 0.039 0.050 |
0.024 0.030 0.040 |
||||
| Norminal Size or Basic Shoulder Diameter |
K | F | D1 | G | I | N | E | |||||||||||
| Shoulder Neck Diameter |
Shoulder Neck Width |
Nominal Thread Size or Basic Thread Diameter |
Threads per in. |
Thread Neck Diameter |
Thread Neck Width |
Thread Neck Fillet |
Thread Length |
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| Min | Max | Max | Min | Max | Max | Min | Basic | |||||||||||
|
0.227 0.289 0.352 0.477 |
0.093 0.093 0.093 0.093 |
|
24 20 18 16 |
0.142 0.193 0.249 0.304 |
0.133 0.182 0.237 0.291 |
0.083 0.100 0.111 0.125 |
0.023 0.028 0.031 0.035 |
0.017 0.022 0.025 0.029 |
0.375 0.438 0.500 0.625 |
||||||||
|
0.602 0.727 0.977 |
0.093 0.093 0.125 |
|
13 11 10 |
0.414 0.521 0.638 |
0.397 0.502 0.616 |
0.154 0.182 0.200 |
0.042 0.051 0.055 |
0.036 0.045 0.049 |
0.750 0.875 1.000 |
||||||||
|
機械的性質 |
| (a) | Ultimate Tensile Strength of 140,000psi,based on the minimum thread neck
area; ねじの首部(G)の最小断面積をベースにしての最大引張強さは140,000psi |
| (b) | Shear Strength of 84,000psi in thread neck area; based on the minimum thread
neck area; ベースは(a)と同じで、首部の強さは84,000psi |
| (c) | Shear Strngth of 84,000psi in the shoulder area; based on the minimum shoulder
area; ショルダ首部(K)の最小断面積をベースにしてのショルダ部の強さも84,000psi |
|
製造範囲 | 単位：インチ |
| Ｌ ＼ Ｄ | 1/4 | 1/16 | 3/8 | 7/16 | 1/2 | 5/8 | 3/4 | 7/8 | 1 |
| 1/4 | |||||||||
| 5/16 | |||||||||
| 3/8 | |||||||||
| 1/2 | |||||||||
| 5/8 | |||||||||
| 3/4 | |||||||||
| 7/8 | |||||||||
| 1 | |||||||||
| 1 1/4 | |||||||||
| 1 3/8 | |||||||||
| 1 1/2 | |||||||||
| 1 3/4 | |||||||||
| 2 | |||||||||
| 2 1/4 | |||||||||
| 2 1/2 | |||||||||
| 2 3/4 | |||||||||
| 3 | |||||||||
| 3 1/4 | |||||||||
| 3 1/2 | |||||||||
| 3 3/4 | |||||||||
| 4 | |||||||||
| 4 1/4 | |||||||||
| 4 1/2 | |||||||||
| 4 3/4 | |||||||||
| 5 | |||||||||
| 5 1/4 | |||||||||
| 5 1/2 | |||||||||
| 5 3/4 | |||||||||
| 6 |
| D : Nominal size or Basic Shoulder Diameter (呼び寸法) L : Nominal Lengths (呼び長さ) |
| Copyright 2001 Okai Iron Works Co.,Ltd. All rights reserved |