高強度特殊非鉄ボルト
重要接合部位の優れた機械的強度と耐食性を提供する精密加工ボルトです。
ボルト形状及び加工範囲
ATXは構造及び産業分野に適用される特殊非鉄ボルトを製造します。
六角ボルト、ヘビー六角ボルト、レンチボルト、スタッドボルト、カウンターシンク頭ボルトなど
様々な形状を製造します。加工条件と設計仕様に従って寸法と形状を調整します。
ボルトは荷重条件、寸法基準、使用環境を反映して材質を選定し加工します。
締結部位の機械的要求特性と耐食条件を考慮します。
設計及び運転条件に従って図面ベース製造と仕様調整が可能です。
使用材料
チタン
タンタル
ニッケル及びニッケル合金
ニオブ
ジルコニウム
ステンレス鋼
六角ボルト(Hex Bolt)
構造物及び産業設備の締結に使用する標準六角頭ボルトです。締結部位の荷重条件に合わせて適用します。

| Nominal Thread Size (M) | Thread Pitch (P) | Head Height H | Width Across Flats B | Width Across Corners C | |
|---|---|---|---|---|---|
| Thread Pitch P (Normal) | Thread Pitch P (Fine) | ||||
| M6 | 1 | – | 4 | 10 | 11.5 |
| M8 | 1.25 | 1 | 5.5 | 13 | 15 |
| M10 | 1.5 | 1.25 | 7 | 17 | 19.6 |
| M12 | 1.75 | 1.25 | 8 | 19 | 21.9 |
| M14 | 2 | 1.5 | 9 | 22 | 25.4 |
| M16 | 2 | 1.5 | 10 | 24 | 27.7 |
| M18 | 2.5 | 1.5 | 12 | 27 | 31.2 |
| M20 | 2.5 | 1.5 / 2.0 | 13 | 30 | 34.6 |
| M22 | 2.5 | 1.5 / 2.0 | 14 | 32 | 37 |
| M24 | 3 | 1.5 / 2.0 | 15 | 36 | 41.6 |
| M27 | 3 | 1.5 / 2.0 | 17 | 41 | 47.3 |
| M30 | 3.5 | 1.5 / 2.0 / 3.0 | 19 | 46 | 53.1 |
| M33 | 3.5 | 1.5 / 2.0 / 3.0 | 21 | 50 | 57.7 |
| M36 | 4 | 1.5 / 2.0 / 3.0 | 23 | 55 | 63.5 |
| M39 | 4 | 2.0 / 3.0 | 25 | 60 | 69.3 |
| M42 | 4.5 | 2.0 / 3.0 | 26 | 65 | 75 |
| M45 | 4.5 | 2.0 / 3.0 | 28 | 70 | 80.8 |
| M48 | 5 | 2.0 / 3.0 | 30 | 75 | 86.5 |
| Nominal Size | Thread Type | Pitch (TPI) | Width Across Flats (AF) |
|---|---|---|---|
| 1/4" | UNC / UNF | 20 / 28 | 7/16" |
| 5/16" | UNC / UNF | 18 / 24 | 1/2" |
| 3/8" | UNC / UNF | 16 / 24 | 9/16" |
| 7/16" | UNC / UNF | 14 / 20 | 5/8" |
| 1/2" | UNC / UNF | 13 / 20 | 3/4" |
| 5/8" | UNC / UNF | 11 / 18 | 15/16" |
| 3/4" | UNC / UNF | 10 / 16 | 1-1/8" |
| 7/8" | UNC / UNF | 9 / 14 | 1-5/16" |
| 1" | UNC / UNF | 8 / 12 | 1-1/2" |
| 1-1/8" | UNC / UNF | 7 / 12 | 1-11/16" |
| 1-1/4" | UNC / UNF | 7 / 12 | 1-7/8" |
| 1-3/8" | UNC / UNF | 6 / 12 | 2-1/16" |
| 1-1/2" | UNC / UNF | 6 / 12 | 2-1/4" |
| 1-5/8" | UNC / UNF | 5 / 11 | 2-7/16" |
| 1-3/4" | UNC / UNF | 5 / 12 | 2-5/8" |
| Classification | International Standards |
|---|---|
| ISO | ISO 4014 (Partial thread) / ISO 4017 (Full thread) |
| DIN | DIN 931 (Partial) / DIN 933 (Full) |
| JIS | JIS B 1180 |
| KS | KS B 1002 |
| ANSI / ASME | ASME B18.2.1 |
| BS | BS 3692 / BS 1768 |
重六角ボルト(Heavy Hex Bolt)
構造物および産業設備の高荷重締結に適用する六角ヘッド形状です。荷重支持条件を考慮した締結部位に使用します。

| Nominal Diameter (M) | Thread Pitch (P) | Width Across Flats (B) | Head Height (H) |
|---|---|---|---|
| M12 | 1.75 | 22 | 10 |
| M16 | 2 | 30 | 14 |
| M20 | 2.5 | 34 | 17 |
| M22 | 2.5 | 36 | 19 |
| M24 | 3 | 41 | 21 |
| M27 | 3 | 46 | 23 |
| M30 | 3.5 | 50 | 25 |
| M33 | 3.5 | 55 | 28 |
| M36 | 4 | 60 | 30 |
| Nominal Size | Thread | Pitch (TPI) | Width Across Flats (AF) | Head Height |
|---|---|---|---|---|
| 1/2" | UNC / UNF | 13 / 20 | 7/8" | 5/16" |
| 5/8" | UNC / UNF | 11 / 18 | 1" | 3/8" |
| 3/4" | UNC / UNF | 10 / 16 | 1-1/8" | 7/16" |
| 7/8" | UNC / UNF | 9 / 14 | 1-5/16" | 1/2" |
| 1" | UNC / UNF | 8 / 12 | 1-1/2" | 9/16" |
| 1-1/8" | UNC / UNF | 7 / 12 | 1-11/16" | 5/8" |
| 1-1/4" | UNC / UNF | 7 / 12 | 1-7/8" | 11/16" |
| 1-3/8" | UNC / UNF | 6 / 12 | 2-1/16" | 3/4" |
| 1-1/2" | UNC / UNF | 6 / 12 | 2-1/4" | 13/16" |
| Classification | International Standards |
|---|---|
| ISO | ISO 4014 / ISO 4017 (Heavy Hex 형상 적용) |
| DIN | DIN 6914 (Structural Heavy Hex) |
| ASTM | ASTM A325 / ASTM A490 |
| ANSI / ASME | ASME B18.2.1 (Heavy Hex Type) |
| BS | BS EN 14399 |
レンチボルト(Wrench Bolt)
レンチで駆動する内部六角ソケット形状で、コンパクトな設置と堅固な締結が必要な産業用および機械組立分野で一般的に使用されます。

| Nominal Diameter (M) | Thread Pitch (P) | Width Across Flats (B) | Head Height (H) | Width Across Corners (C) |
|---|---|---|---|---|
| M2 | 0.4 | 3.8 | 2 | 4.7 |
| M2.5 | 0.45 | 4.5 | 2.5 | 5.9 |
| M3 | 0.5 | 5.5 | 3 | 7 |
| M4 | 0.7 | 7 | 4 | 8.9 |
| M5 | 0.8 | 8.5 | 5 | 10.8 |
| M6 | 1 | 10 | 6 | 12.6 |
| M8 | 1.25 | 13 | 8 | 15.8 |
| M10 | 1.5 | 16 | 10 | 19.6 |
| M12 | 1.75 | 18 | 12 | 22.1 |
| M14 | 2 | 21 | 14 | 25.4 |
| M16 | 2 | 24 | 16 | 27.7 |
| M18 | 2.5 | 27 | 18 | 31.2 |
| M20 | 2.5 | 30 | 20 | 34.6 |
| M22 | 2.5 | 33 | 22 | 37.9 |
| M24 | 3 | 36 | 24 | 41.6 |
| M27 | 3 | 41 | 27 | 47.3 |
| M30 | 3.5 | 46 | 30 | 53.1 |
| M33 | 3.5 | 50 | 33 | 57.7 |
| Nominal Size | Thread | Pitch (TPI) | Width Across Flats (AF) | Head Height |
|---|---|---|---|---|
| 1/4" | UNC / UNF | 20 / 28 | 7/16" | 5/32" |
| 5/16" | UNC / UNF | 18 / 24 | 1/2" | 3/16" |
| 3/8" | UNC / UNF | 16 / 24 | 9/16" | 7/32" |
| 7/16" | UNC / UNF | 14 / 20 | 5/8" | 1/4" |
| 1/2" | UNC / UNF | 13 / 20 | 3/4" | 5/16" |
| 5/8" | UNC / UNF | 11 / 18 | 15/16" | 25/64" |
| 3/4" | UNC / UNF | 10 / 16 | 1-1/8" | 3/8" |
| 7/8" | UNC / UNF | 9 / 14 | 1-5/16" | 29/64" |
| 1" | UNC / UNF | 8 / 12 | 1-1/2" | 5/8" |
| 1-1/8" | UNC / UNF | 7 / 12 | 1-11/16" | 23/32" |
| 1-1/4" | UNC / UNF | 7 / 12 | 1-7/8" | 3/4" |
| 1-3/8" | UNC / UNF | 6 / 12 | 2-1/16" | 13/16" |
| 1-1/2" | UNC / UNF | 6 / 12 | 2-1/4" | 7/8" |
| Classification | International Standards |
|---|---|
| ISO | ISO 4014 (Partial thread) / ISO 4017 (Full thread) |
| DIN | DIN 931 (Partial) / DIN 933 (Full) |
| JIS | JIS B 1180 |
| KS | KS B 1002 |
| ANSI / ASME | ASME B18.2.1 |
| BS | BS 3692 / BS 1768 |
スタッドボルト(Stud Bolt)
高圧容器、フランジおよび産業用アセンブリにおいて、高強度締結のため両端にナットを使用する全ねじボルトです。

| Classification | International Standards |
|---|---|
| ISO | ISO 898-1 (Mechanical properties reference) |
| DIN | DIN 975 / DIN 976 |
| JIS | JIS B 1173 |
| ASTM | ASTM A193 / A320 |
| ASME | ASME B18.31.2 |
| BS | BS 4882 |
| Nominal Diameter (M) | Thread Pitch (P) | Major Diameter (d) |
|---|---|---|
| M12 | 1.75 | 12 |
| M16 | 2 | 16 |
| M20 | 2.5 | 20 |
| M22 | 2.5 | 22 |
| M24 | 3 | 24 |
| Bolt Specification | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 | 90 | 95 | 100 | 105 | 110 | 115 | 120 | 125 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M12 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | – | – | – | – | – |
| M16 | – | – | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| M20 | – | – | – | – | – | – | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| M22 | – | – | – | – | – | – | – | – | – | – | ● | ● | ● | ● | ● | ● |
| M24 | – | – | – | – | – | – | – | – | – | – | ● | ● | ● | ● | ● | ● |
| Bolt Specification | 130 | 135 | 140 | 145 | 150 | 160 | 170 | 180 | 190 | 200 | 210 | 220 | 230 | 240 | 250 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M12 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| M16 | ● | ● | ● | ● | ● | ● | – | – | – | – | – | – | – | – | – |
| M20 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | – | – | – | – | – |
| M22 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | – |
| M24 | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● | ● |
| Nominal Size | Thread Type | Pitch (TPI) |
|---|---|---|
| 1/2" | UNC / UNF | 13 / 20 |
| 5/8" | UNC / UNF | 11 / 18 |
| 3/4" | UNC / UNF | 10 / 16 |
| 7/8" | UNC / UNF | 9 / 14 |
| 1" | UNC / UNF | 8 / 12 |
| Size | 2" | 2-1/2" | 3" | 3-1/2" | 4" | 4-1/2" | 5" | 6" | 7" | 8" | 9" | 10" |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1/2" | ● | ● | ● | ● | ● | ● | ● | – | – | – | – | – |
| 5/8" | – | ● | ● | ● | ● | ● | ● | ● | ● | – | – | – |
| 3/4" | – | – | ● | ● | ● | ● | ● | ● | ● | ● | – | – |
| 7/8" | – | – | – | ● | ● | ● | ● | ● | ● | ● | ● | – |
| 1" | – | – | – | – | ● | ● | ● | ● | ● | ● | ● | ● |
マッドレンチボルト(Mud Wrench Bolt)
内部六角駆動を採用したねじ山付きコンパクトボルトで、外部ヘッドなしに部品の安全な締結及び位置決めに使用されます。

| Nominal Diameter (M) | Thread Pitch (P) | Head Diameter (D) | Head Height (H) | Socket Width Across Flats (S) |
|---|---|---|---|---|
| M2 | 0.4 | 3.8 | 2 | 0.9 |
| M2.5 | 0.45 | 4.5 | 2.5 | 1.3 |
| M3 | 0.5 | 5.5 | 3 | 1.5 |
| M4 | 0.7 | 7 | 4 | 2 |
| M5 | 0.8 | 8.5 | 5 | 2.5 |
| M6 | 1 | 10 | 6 | 3 |
| M8 | 1.25 | 13 | 8 | 4 |
| M10 | 1.5 | 16 | 10 | 5 |
| M12 | 1.75 | 18 | 12 | 6 |
| M14 | 2 | 21 | 14 | 6 |
| M16 | 2 | 24 | 16 | 8 |
| M18 | 2.5 | 27 | 18 | 8 |
| M20 | 2.5 | 30 | 20 | 10 |
| Nominal Size | Thread | Pitch (TPI) | Head Diameter (D) | Head Height (H) | Hex Socket (S) |
|---|---|---|---|---|---|
| 1/4" | UNC / UNF | 20 / 28 | 0.375 | 0.156 | 3/16" |
| 5/16" | UNC / UNF | 18 / 24 | 0.469 | 0.188 | 1/4" |
| 3/8" | UNC / UNF | 16 / 24 | 0.562 | 0.219 | 5/16" |
| 7/16" | UNC / UNF | 14 / 20 | 0.656 | 0.25 | 3/8" |
| 1/2" | UNC / UNF | 13 / 20 | 0.75 | 0.312 | 3/8" |
| 5/8" | UNC / UNF | 11 / 18 | 0.938 | 0.391 | 1/2" |
| 3/4" | UNC / UNF | 10 / 16 | 1.125 | 0.469 | 5/8" |
| 7/8" | UNC / UNF | 9 / 14 | 1.312 | 0.547 | 3/4" |
| 1" | UNC / UNF | 8 / 12 | 1.5 | 0.625 | 3/4" |
| Classification | International Standards |
|---|---|
| ISO | ISO 4762 (Standard Reference for Socket Head Cap Screws) |
| DIN | DIN 912 (Based on Socket Head Cap Screw Specifications) |
| JIS | JIS B 1176 |
| ANSI / ASME | ASME B18.3 |
皿頭ボルト(Countersunk Head Bolt)
締結後に表面と同一平面を形成するカウンターシンクヘッド形状で、滑らかな仕上げと安全な締結が必要な箇所に一般的に使用されます。

| Nominal Diameter (M) | Thread Pitch (P) | Head Diameter (dk) | Head Height (k) | Socket Width Across Flats (s) |
|---|---|---|---|---|
| M3 | 0.5 | 6 | 1.7 | 2 |
| M4 | 0.7 | 8 | 2.3 | 2.5 |
| M5 | 0.8 | 10 | 2.8 | 3 |
| M6 | 1 | 12 | 3.3 | 4 |
| M8 | 1.25 | 16 | 4 | 5 |
| M10 | 1.5 | 20 | 6 | 6 |
| M12 | 1.75 | 24 | 7.4 | 8 |
| M14 | 2 | 28 | 8.4 | 10 |
| M16 | 2 | 30 | 8.8 | 10 |
| M20 | 2.5 | 40 | 10 | 12 |
| Nominal Size | Thread | Pitch (TPI) | Head Diameter (dk) | Head Height (k) | Hex Socket (s) |
|---|---|---|---|---|---|
| 1/4" | UNC / UNF | 20 / 28 | 0.5 | 0.125 | 1/8" |
| 5/16" | UNC / UNF | 18 / 24 | 0.625 | 0.156 | 5/32" |
| 3/8" | UNC / UNF | 16 / 24 | 0.75 | 0.188 | 3/16" |
| 7/16" | UNC / UNF | 14 / 20 | 0.875 | 0.219 | 7/32" |
| 1/2" | UNC / UNF | 13 / 20 | 1 | 0.25 | 1/4" |
| 5/8" | UNC / UNF | 11 / 18 | 1.25 | 0.312 | 5/16" |
| 3/4" | UNC / UNF | 10 / 16 | 1.5 | 0.375 | 3/8" |
| Classification | International Standards |
|---|---|
| ISO | ISO 10642 |
| DIN | DIN 7991 |
| JIS | JIS B 1194 |
| ANSI / ASME | ASME B18.3 (Countersunk) |
| BS | BS 4168 |
特殊加工ボルト(Custom Machined Bolt)
図面と要求寸法に応じた加工製作が可能です。標準規格外の形状と寸法条件を反映いたします。

標準規格での対応が困難な形状、寸法、材質、適用条件については、図面基準製作をご検討いたします。