Trapezoidal, ACME & Buttress

Plastic Container Threads (KS / KT)

Threads for plastic containers: KS is a buttress form, KT a trapezoidal form.

Standard
DIN 6063
Sizes listed
35
Range
KS 10 – KS 60
Profile shape (schematic, not to scale)

Thread SizeBolt Major Diameter mmBolt Tapping Drill Size mmNut Major Diameter mmNut Tapping Drill Size mmPitch mmFlank Angle
KS 1010.08.010.18.12.040°
(KS 12)12.010.012.110.12.040°
KS 1414.011.514.111.62.540°
(KS 16)16.013.516.113.62.540°
KS 1818.015.018.115.13.040°
(KS 20)20.017.020.117.13.040°
KS 2222.019.022.119.13.040°
KS (24)24.021.014.121.13.030°
KS 2525.022.025.122.13.030°
KS (26)26.023.026.123.13.030°
KS 2828.025.028.125.13.030°
KS (30)30.027.030.127.13.030°
KS 3232.029.032.129.13.030°
KS (36)36.033.036.133.13.030°
KS 4040.037.040.137.13.030°
KS (45)45.041.045.141.14.030°
KS 5050.046.050.146.14.030°
KS 6060.054.060.354.36.030°
Thread SizeBolt Major Diameter mmBolt Tapping Drill Size mmNut Major Diameter mmNut Tapping Drill Size mmPitch mm
KT 1010.08.010.18.12.0
(KT 12)12.010.012.110.12.0
KT 1414.011.514.111.62.5
(KT 16)16.013.516.113.62.5
KT 1818.015.018.115.13.0
(KT 20)20.017.020.117.13.0
KT 2222.019.022.119.13.0
KT (24)24.021.014.121.13.0
KT 2525.022.025.122.13.0
KT (26)26.023.026.123.13.0
KT 2828.025.028.125.13.0
KT (30)30.027.030.127.13.0
KT 3232.029.032.129.13.0
KT (36)36.033.036.133.13.0
KT 4040.037.040.137.13.0
KT (45)45.041.045.141.14.0
KT 5050.046.050.146.14.0

Reference values only. Verify against the current edition of the governing standard before use in production drawings or manufacturing. Provided by Micro Components as a free engineering resource.