Specifications of International Thread Standards

Because of its asymmetrical profile, the buttress thread is well-suited for a high, unilaterally working axial load. The thread is often used in spindle presses, lifting systems and for collet chucks in lathes und milling machines.
The flank angle is 33°.

Nominal
Diameter
Bolt Thread
Minor Diameter
mm
Tapping
Drill Size
mm
S 12 x 28.5289.000
S 14 x 210.52811.000
S 16 x 212.52813.000
S 18 x 214.52815.000
S 20 x 216.52817.000
S 22 x 316.79417.500
S 24 x 318.79419.500
S 26 x 320.79421.500
S 28 x 322.79423.500
S 30 x 324.79425.500
S 32 x 326.79427.500
S 34 x 328.79429.500
S 36 x 330.79431.500
S 38 x 332.79433.500
S 40 x 334.79435.500
S 42 x 336.79437.500
S 44 x 338.79439.500
S 46 x 340.79441.500
S 48 x 342.79443.500
S 50 x 344.79439.500
S 52 x 346.79447.500
S 55 x 349.79450.500
S 60 x 354.79455.500
S 65 x 458.05859.000
S 70 x 463.05864.000
S 75 x 468.05869.000
S 80 x 473.05874.000
S 85 x 478.05879.000
S 90 x 483.05884.000
S 95 x 488.05889.000
S 100 x 493.05894.000
S 105 x 498.05899.000
S 110 x 4103.058104.000
S 115 x 6104.587106.000
S 120 x 6109.587111.000
S 125 x 6114.587116.000
S 130 x 6119.587121.000
S 135 x 6124.587126.000
S 140 x 6129.587131.000
S 145 x 6134.587136.000
S 150 x 6139.587141.000
S 155 x 6144.587146.000
S 160 x 6149.587151.000
S 165 x 6154.587156.000
S 170 x 6159.587161.000
S 175 x 8161.116163.000
S 180 x 8166.116168.000
S 185 x 8171.116173.000
S 190 x 8176.116178.000
S 195 x 8181.116183.000
S 200 x 8186.116188.000
S 210 x 8196.116198.000
S 220 x 8206.116208.000
S 230 x 8216.116218.000
S 240 x 8226.116228.000
S 250 x 12229.174232.000
S 260 x 12239.174242.000
S 270 x 12249.174252.000
S 280 x 12259.174262.000
S 290 x 12269.174272.000
S 300 x 12279.174282.000
S 320 x 12299.174302.000
S 340 x 12319.174322.000
S 360 x 12339.174342.000
S 380 x 12359.174362.000
S 400 x 12379.174382.000
S 420 x 18388.760393.000
S 440 x 18408.760413.000
S 460 x 18428.760433.000
S 480 x 18448.760453.000
S 500 x 18468.760473.000
S 520 x 24478.347484.000
S 540 x 24498.347504.000
S 560 x 24518.347524.000
S 580 x 24538.347544.000
S 600 x 24558.347564.000
S 620 x 24578.347584.000
Buttress Fine Thread
BORNEMANN Gewindetechnik