Schmarje Thread Mills

Tool Fab’s thread mills are the best quality int he industry. Our thread mills are cam-ground for durability and ease of re-grinding for long life and low cost thread production.

Home » ToolFab Standard Cutting Tools » Solid Carbide Straight Flute Thread Mills (STM)

Solid Carbide Straight Flute Thread Mills (STM)

Solid Carbide Thread Mill

Tool Fab’s Schmarje thread mills are cam-ground for maximum thread, cutting strength, durability and ease of re-grinding. We will gladly re-grind our tools for a minimal charge and maximum life cycle of the thread mill.

Standard

Tool No. Cutter Diameter Shank Diameter Overall Length Length of Cut # of Flutes
STM110-32
STM110-36
0.110.252.50.3123
STM125-24
STM125-28
STM125-32
0.1250.252.50.3123
STM187-20
STM187-24
STM187-28
STM187-32
STM187-36
0.1870.252.50.53
STM225-180.225.2502.50.753
STM250-16
STM250-18
STM250-20
STM250-24
STM250-28
STM250-32
STM250-36
0.250.252.50.754
STM350-12
STM350-13
STM350-16
STM350-18
STM350-20
0.350.3753.50.754
STM375-12
STM375-13
STM375-16
STM375-18
STM375-20
STM375-24
STM375-28
    4
STM500-11
STM500-12
STM500-14
STM500-16
STM500-18
STM500-20
0.50.54.01.04
STM750-8
STM750-12
STM750-14
STM750-18
STM750-20
0.750.754.01.04
6
6
6
6
*STM250-27 NPT0.250.3753.50.74
*STM250-27 NPTF0.250.3753.50.74
*STM312-27 NPT0.3120.3753.50.74
*STM312-27 NPTF0.3120.3753.50.74
*STM370-18 NPT0.370.3753.50.74
*STM370-18 NPTF0.370.3753.50.74
*STM490-14 NPT0.490.54.01.04
*STM490-14 NPTF0.490.54.01.04
*STM750-11.5 NPT0.750.754.01.06

* Tapered Pipe Thread

Metric

Tool No. Cutter Diameter Shank Diameter Overall Length Length of Cut # of Flutes Min. Thread
STM110-.7mm0.110.252.50.3123M4
STM125-.8mm
STM125-1.0mm
0.1250.252.50.3123M5
STM187-1.0mm
STM187-1.25mm
0.1870.252.50.53M7
STM250-.75mm
STM250-1.0mm
STM250-1.25mm
STM250-1.5mm
0.250.252.50.754M10
STM350-1.0mm
STM350-1.5mm
STM350-2.0mm
0.350.3753.50.754M14
STM500-1.0mm
STM500-1.5mm
STM500-2.0mm
STM500-2.5mm
STM500-3.0mm
STM500-3.5mm
0.50.54.01.04M20
STM750-1.5mm0.750.754.01.06M30
STM750-2.0mm0.750.754.01.06M30
STM750-3.5mm0.750.754.01.04M30