SEC-Threading Tools SSTE Type / SSTI Type

Depth of Cut and Number of Passes for SSTE Type

`■` External MetricThread(depthof cut/pass(mm))
Pitch(mm)0.751.001.251.501.752.002.503.00
Total depth of cut(mm)0.480.640.800.921.101.261.571.87
Number ofpasses457810121416
10.240.250.250.280.280.300.380.40
20.120.150.150.150.150.160.190.22
30.070.110.120.120.120.130.150.15
40.050.080.090.100.100.100.100.13
50.050.080.090.100.090.100.12
60.060.070.090.090.090.10
70.050.060.080.080.090.10
80.050.070.070.080.09
90.060.070.080.09
100.050.060.070.08
110.060.070.08
120.050.060.07
130.060.07
140.050.06
150.06
160.05
`■` External UnifiedThreads(depth of cut/pass(mm))
Threads/inch322824201816141312111098
Total depth of cut(mm)0.500.570.670.800.891.001.151.231.341.461.601.782.00
Number ofpasses445781011121214141616
10.240.250.250.260.260.280.280.300.300.300.380.380.40
20.140.170.190.150.150.150.150.180.180.180.200.200.25
30.070.100.120.100.120.100.120.130.130.130.150.130.19
40.050.050.060.090.100.090.100.100.120.120.120.120.16
50.050.080.080.080.100.080.110.110.100.110.14
60.070.070.070.090.080.100.100.090.100.12
70.050.060.070.080.070.090.080.090.100.11
80.050.060.070.070.080.080.080.090.10
90.050.060.060.070.070.080.090.09
100.050.050.060.060.070.070.080.08
110.050.050.050.060.070.080.07
120.050.050.060.060.070.07
130.050.060.070.06
140.050.050.060.06
150.050.05
160.050.05

Grooving

Number of passes and depth of cut in the above table are guides only. Increase or decrease based on the situation. However, keep the maximum depth of cut to 0.5 mm or less. When using an insert with a wiper edge, add the fini shing margin to the cumulative depth of cut.

  • Recommended Cutting Conditions
Work materialP Carbon steelP Alloy steel (up to 330 HB)M Stainless steelK Gray cast iron (up to 330 HB)K Tactile cast ironS Titanium alloy
Cutting speed vc(m/min)75 to 15075 to 13560 to 12090 to 18075 to 13524 to 90