資源描述：
《螺紋攻牙底孔大小》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在教育資源-天天文庫(kù)。
1、一、螺紋下孔徑表4w9C*]:@1{1、公制粗牙螺紋????????????????JISB0209-1982(單位：mm)%};`7{5t)V4g1J螺紋尺寸????鉆頭直徑????螺紋下孔徑????內(nèi)螺紋小徑%m)_)i(i+t1R????????????最小直徑????最大直徑;s)A7q'k7C%RM1??×0.25????0.75????0.78(80%)????0.729????0.785#M$v%H'C??e9d(s8v0u5m1.1×0.25????0.85????0.88(80%)????0.829????0.885:Z'y/N.
2、q(Q1u1.2×0.25????0.95????0.98(80%)????0.929????0.985.T6W3[*^4f1Y6D"J&y!c1.4×0.3????1.1????1.14(80%)????1.075????1.142,[.L0f'B:P6I)v*Q1.6×0.35????1.25????1.32(75%)????1.221????1.321;g/p#`??@5Y,Z5T1{1.8×0.35????1.45????1.52(75%)????1.421????1.5217I(X.r85^6v,h-d+
3、2??×0.4????1.6?
4、???1.65(80%)????1.567????1.6796H2r9c:J:g"_7_4m2.2×0.45????1.75????1.83(75%)????1.713????1.838'J(s8U9J.X2x2.5×0.45????2.1????2.13(75%)????2.013????2.138!f2
5、"c*g3g,q8l;H9U3??×0.5????2.5????2.59(75%)????2.459????2.599(Z/n,o5/?6]3.5×0.6????2.9????3.01(75%)????2.850????3.010;]3J+a
6、#P4q5a#}4X4??×0.7????3.3????3.39(80%)????3.242????3.4225G9F!S.}-O(B&Q4.5×0.75????3.8????3.85(80%)????3.688????3.8785b7A7H!L:a(m5z2e*e5??×0.8????4.2????4.31(80%)????4.134????4.3342p"Q*j/E;q'R1p6??×1????5????5.13(80%)????4.917????5.1537_,
7、3T2`7l:V9L*K/y:q7??×1????6????6.13(80%)?
8、???5.917????6.1534S#b3H5]7A/8??×1.25????6.8????6.85(85%)????6.647????6.912-z,S/t8o4U#D4g3Z9??×1.25????7.8????7.85(85%)????7.647????7.912#@)G9f9n!a10??×1.5????8.5????8.62(85%)????8.376????8.676!m8r9x)[+X-U1d-F11??×1.5????9.5????9.62(85%)????9.376????9.676"i#G6C4z;t12??×1.75???
9、?10.3????10.40(85%)????10.106????10.4413_0v*_)K+f4r6c14??×2????12????12.2??(85%)????11.835????12.2108a7r(T5N8~9G7m4`+t3{16??×2????14????14.2??(85%)????13.835????14.210.T??G)v.E/]5P18??×2.5????15.5????15.7??(85%)????15.294????15.744%F-q#O3o.w._:h20??×2.5????17.5????17.7??(85%)?
10、???17.294????17.7443C$c:F*c%r??k22??×2.5????19.5????19.2??(85%)????19.294????19.7447k&c,w2[#j2t%`+@24??×3????21????21.2??(85%)????20.752????21.252,_&y2X8q-z9_2Z3M27??×3????24????24.2??(85%)????23.752????24.252;S$c2A"R+F??b??i$R-F30??×3.5????26.5????26.6??(90%)????26.211????26.
11、771-K4l#r;z4)Z%M33??×3.5????29.5????29.6??(90%)????29.211???
