螺纹底孔直径参考 ◆公制普通螺纹 螺纹代号 钻头直径 ASP60C Carbide M1.0 *0.25 0.75 0.75 M1.1 *0.25 0.85 0.85 M1.2 *0.25 0.95 0.95 M1.4 *0.3 0.10 0.10 M1.6 *0.35 1.25 1.30 M1.7 *0.35 1.35 1.40 M1.8 *0.35 1.45 1.50 M2.0 *0.4 1.60 1.65 M2.2 *0.45 1.75 1.80 M2.3 *0.4 1.90 1.95 M2.5 *0.45 2.10 2.15 M2.6 *0.45 2.15 2.20 M3.0 *0.5 2.50 2.55 M3.5 *0.6 2.90 2.95 M4.0 *0.7 3.3 3.4 M4.5 *0.75 3.8 3.9 M5.0 *0.8 4.2 4.3 M6.0 *1.0 5.0 5.1 M7.0 *1.0 6.0 6.1 M8.0 *1.25 6.8 6.9 ◆公制细牙螺纹 螺纹代号 钻头直径 ASP60C Carbide 螺纹代号 钻头直径 ASP60C Carbide —螺纹代号 钻头直径 ASP60C Carbide M1.0*0.2 0.80 0.80 M24*1.5 22.5 — No.1-64UNC 1.55 — M1.1*0.2 0.90 0.90 M24*1.0 23.0 — No.2-56UNC 1.80 — M1.2*0.2 1.00 1.00 M25*2.0 23.0 — No.3-48UNC 2.10 — M1.4*0.2 1.20 1.20 M25*1.5 23.5 — No.4-40UNC 2.30 — M1.6*0.2 1.40 1.40 M25*1.0 24.0 — No.5-40UNC 2.60 — M1.8*0.2 1.60 1.60 M26*1.5 24.5 — No.6-32UNC 2.80 — M2.0*0.25 1.75 1.75 M27*2.0 25.0 — No.8-32UNC 3.40 — M2.2*0.25 1.95 2.00 M27*1.5 25.5 — No.10-24UNC 3.90 — M2.5*0.35 2.20 2.20 M27*1.0 26.0 — No.12-24UNC 4.50 — M3.0*0.35 2.70 2.70 M28*2.0 26.0 — 1/4-20UNC 5.10 — M3.5*0.35 3.20 3.20 M28*1.5 26.5 — 5/16-18UNC 6.60 — M4.0*0.5 3.50 3.55 M28*1.0 27.0 — 3/8-16UNC 8.00 — M4.5*0.5 4.00 4.05 M30*3.0 27.0 — 7/16-14UNC 9.40 — M5.0*0.5 4.5 4.55 M30*2.0 28.0 — 1/2-13UNC 10.80 — M5.5*0.5 5.00 5.05 M30*1.5 28.5 — 9/16-12UNC 1220 — M6.0*0.75 5.30 5.35 M30*1.0 29.0 — 5/8-11UNC 13.60 — M7.0*075 6.30 6.35 M32*2.0 30.0 — 3/4-10UNC 1650 — M8.0*1.0 7.00 7.10 M32*1.5 30.5 — 7/8-9UNC 19.50 — M8.0*0.75 7.30 7.35 M33*3.0 30.0 — 1-8UNC 22.20 — M9.0*1.0 8.00 8.10 M33*2.0 31.0 — 11/8-7UNC 25.00 — M9.0*0.75 8.30 8.35 M33*1.5 31.5 — 螺纹代号 钻头直径 M9.0 *1.25 7.8 7.9 M10.0 *1.5 8.5 8.7 M11.0 *1.5 9.5 9.7 M12.0 *1.75 10.3 10.5 M14.0 *2.0 12.0 12.2 M16.0 *2.0 14.0 14.2 M18.0 *2.5 15.5 15.7 M20.0 *2.5 17.5 17.7 M22.0 *2.5 19.5 19.7 M24.0 *3.0 21.0 — M27.0 *3.0 24.0 — M30.0 *3.5 26.5 — M33.0 *3.5 29.5 — M36.0 *4.0 32.0 — M39.0 *4.0 35.0 — M42.0 *4.5 37.5 — M45.0 *4.5 40.5 — M48.0 *5.0 43.0 — M10.0*1.25 880 8.90 M35*1.5 33.5 — ASP60C Carbide M10.0*1.0 9.00 9.10 M36*3.0 33.0 — No.0-80UNF 1.25 — M10.0*0.75 9.30 9.35 M36*2.0 34.0 — No.1-72UNF 1.55 — M11.0*1.0 10.0 10.1 M36*1.5 34.5 — No.2-64UNF 185 — M11.0*0.75 10.3 10.3 M38*1.5 36.5 — No.3-56UNF 2.10 — M12.0*1.5 10.5 10.7 M39*3.0 36.0 — No.4-48UNF 2.40 — M12.0*1.25 10.8 10.9 M39*2.0 37.0 — No.5-44UNF 2.70 — M12.0*1.0 11.0 11.1 M39*1.5 37.5 — No.6-40UNF 2.90 — M14.0*1.5 12.5 12.7 M40*3.0 37.0 — No.8-36UNF 3.50 — M14.0*1.0 13.0 13.1 M40*2.0 38.0 — No.10-32UNF 4.10 — M15.0*1.5 13.5 13.7 M40*1.5 38.5 — No.12-28UNF 4.60 — M15.0*1.0 14.0 14.1 M42*4.0 38.0 — 1/4-28UNF 5.50 — M16.0*1.5 14.5 14.7 M42*3.0 39.0 — 5/16-24UNF 6.90 — M16.0*1.0 15.0 15.1 M42*2.0 40.0 — 3/8-24UNF 8.50 — M17.0*1.5 15.5 15.7 M42*1.5 40.5 — 7/16-20UNF 9.90 — M17.0*1.0 16.0 16.1 M45*4.0 41.0 — 1/2-20UNF 11.50 — M18.0*2.0 16.0 16.3 M45*3.0 42.0 — 9/16-18UNF 12.90 — M18.0*1.5 16.5 16.7 M45*2.0 43.0 — 5/8-18UNF 14.50 — M18.0*1.0 17.0 17.1 M45*1.5 43.5 — 3/4-16UNF 17 — M20*2.0 18.0 18.8 M48*4.0 44.0 — 7/8-14UNF 20.50 — M20*1.5 18.5 18.7 M48*3.0 45.0 — 1-12UNF 23.20 — M20*1.0 19.0 19.1 M48*2.0 46.0 — M20*1.0 20.0 — M48*1.5 46.5 — M22*1.5 20.58 — M50*3.0 47.0 — M22*1.0 21.0 — M50*2.0 48.0 — M24*2.0 22.0 — M50*1.5 48.5 —
螺纹底孔直径参考
