126TSUKIJI WORKS CO., LTD.ネジ規格表ネジ規格表ネジの呼びネジ山数(25.4mmにつき)nピッチP(参考)ネジ山の高さh谷の丸みrオネジ外径 d有効径 d2谷の径 d1メネジ谷の径 D有効径 D2内径 D1G280.90710.5810.129.7289.1478.566G191.33680.8560.1813.15712.30111.445G191.33680.8560.1816.66215.80614.950G141.81431.1620.2520.95519.79318.631G141.81431.1620.2526.44125.27924.117G1112.30911.4790.3233.24931.77030.291G1112.30911.4790.3241.91040.43138.952G1112.30911.4790.3247.80346.32444.845G2112.30911.4790.3259.61458.13556.656G2112.30911.4790.3275.18473.70572.226G3112.30911.4790.3287.88486.40584.926G4112.30911.4790.32113.030111.551110.072G5112.30911.4790.32138.430136.951135.472G6112.30911.4790.32163.830162.351160.872ネジの呼びP(ピッチ)=1.5P(ピッチ)=2.0H1(ひっかかりの高さ)=0.812H1(ひっかかりの高さ)=1.083オネジオネジ外径 d有効径 d2谷の径 d1外径 d有効径 d2谷の径 d1メネジメネジ谷の形 D有効径 D2内径 D1谷の形 D有効径 D2内径 D1M1212.00011.02610.376───M1414.00013.02612.376───M1616.00015.02614.376───M1818.00017.02616.37618.00016.70115.835M2020.00019.02618.37620.00018.70117.835M2222.00021.02620.37622.00020.70119.835M2424.00023.02622.37624.00022.70121.835M3030.00029.02628.37630.00028.70127.835M3636.00035.02634.37636.00034.70133.835M4242.00041.02639.37642.00040.70139.835ネジの呼びネジ山数(25.4mmにつき)nピッチ(参考)Pひっかりの高さH1オネジ外径 d有効径 d2谷の径 d1メネジ谷の径 D有効径 D2内径 D1─28UNF280.90710.4916.3505.7615.367⁵⁄₁₆─24UNF241.05830.5737.9387.2496.792─24UNF241.05830.5739.5258.8378.379⁷⁄₁₆─20UNF201.27000.68711.11210.2879.738─20UNF201.27000.68712.70011.87411.326⁹⁄₁₆─18UNF181.41110.76414.28813.37112.761─18UNF181.41110.76415.87514.95814.348─16UNF161.58750.85919.05018.01917.330─14UNF141.81430.98222.22521.04620.2621─12UNF122.11671.14625.40024.02623.1091─12UNF122.11671.14628.57527.20126.2841─12UNF122.11671.14631.75030.37629.459単位:mmオネジ55°hH27.5°27.5°h/6H/2H/2h/6メネジPD1またはd1D2またはd2Dまたはd太い実線は基準山形を示す。P=25.4nH=0.960491Ph=0.640327Pr=0.137329Pd2=d-hD2=d2d1=d-2hD1=d1管用平行ネジ JIS B 0202ネジの呼びネジ山基準径基準径の位置平行メネジのD、D2およびD1の許容差±有効ネジ部の長さ(最小)ネジ山数(25.4mmにつき)nピッチP(参考)山の高さh丸みrまたはr'オネジオネジメネジオネジメネジ外径d有効径d2谷の径d1管端から管端部基準径の位置から大径側に向かってf不完全ネジ部がある場合不完全ネジ部がない場合メネジ基準の長さa軸線方向の許容差±b軸線方向の許容差±cテーパメネジ平行メネジテーパメネジ、平行メネジ谷の径D有効径D2内径D1基準径の位置から小径側に向かってℓ管または管継手端からℓ'(参考)基準径または管・管継手端からtR280.90710.5810.129.7289.1478.5663.970.911.130.0712.56.27.44.4R191.33680.8560.1813.12712.30111.4456.011.341.670.1043.79.411.06.7R191.33680.8560.1816.66215.80614.9506.351.341.670.1043.79.711.47.0R141.81431.1620.2520.95519.79318.6318.161.812.270.1425.012.715.09.1R141.81431.1620.2526.44125.27924.1179.531.812.270.1425.014.116.310.2R1112.30911.4790.3233.24931.77030.29110.392.312.890.1816.416.219.111.6R1112.30911.4790.3241.91040.43138.95212.702.312.890.1816.418.521.413.4R1112.30911.4790.3247.80346.32444.84512.702.312.890.1816.418.521.413.4R2112.30911.4790.3259.61458.13556.65615.882.312.890.1817.522.825.716.9R2112.30911.4790.3275.18473.70572.22617.463.463.460.2169.226.730.118.6R3112.30911.4790.3287.88486.40584.92620.643.463.460.2169.229.833.321.1R4112.30911.4790.32113.030111.551110.07225.403.463.460.21610.435.839.325.9R5112.30911.4790.32138.430136.951135.47228.583.463.460.21611.540.143.529.3R6112.30911.4790.32163.830162.351160.87228.583.463.460.21611.540.143.529.3テーパオネジおよびテーパメネジに対して適用する基準山形55°90°1627.5°27.5°hrHH/2h/2h/2H/2Pネジの中心軸線太い実線は基準山形を示す。P=25.4nH=0.960237Ph=0.640327Pr=0.137278P管用テーパーネジ JIS B 0203Mネジ(メートル細目ネジ) JIS B 0207UNF(ユニファイ細目ネジ) JIS B 0208オネジオネジメネジメネジ
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