Short Series Straight Flute Thread Mills “B” length is reduced for a better length to diameter ratio 2.1/2” Overall length Standard Series Straight Flute Thread Mills Internal threads only Internal threads only Internal threads only Internal or External Internal threads only Internal threads only Internal threads only HELICAL FLUTE 60° UNIFIED THREAD FOR INTERNAL AND EXTERNAL THREADS “B” length is reduced for a better length to diameter ratio Standard Length Helical Flute Thread Mills Short Series Helical Thread Mills STRAIGHT FLUTE 60°UNIFIED THREAD FOR INTERNAL THREADS ONLY SOLID CARBIDE THREAD MILLS ▲Thread Mills can cut any larger size internal thread of the same pitch ▲Thread Mills can cut any larger size internal thread of the same pitch ▲Thread Mills can cut any larger size internal thread of the same pitch *Part Numbers shown are for uncoated thread mills. For coated thread mill add to the part number the following codes: “A”- AlTiN “C”- TiN Coated Ordering Example: TM140-28-A * For coated grades add to the part # the following codes: “A”- for AlTiN “C”- for TiN coating *Add to Part Number: “A”- For AlTiN “C”- For TiN Coating Ordering Example: TM170-20-HA - 1060 - Bass Tool & Supply, Inc. Houston Email Fax Toll Free www.basstool.com (713) 682-1889
[email protected] (713) 681-4931 800-442-0042 ▲ MIN I.D. THREAD/ PITCH A CUTTER DIAMETER B LENGTH OF CUT PART # * Two Flute Solid Carbide, 1/4” Shank Diameter 4-40 .080 1/8 TM080-40S 6-32 .098 3/16 TM098-32S 6-40 .098 3/16 TM098-40S Three Flute Solid Carbide, 1/4” Shank Diameter 8-32 .110 7/32 TM110-32S 8-32 .125 7/32 TM125-32S 10-24 .140 1/4 TM140-24S 10-28 .140 1/4 TM140-28S 10-32 .140 1/4 TM140-32S 10-48 .140 1/4 TM140-48S 1/4-20 .170 5/16 TM170-20S 1/4-24 .170 5/16 TM170-24S 1/4-28 .170 5/16 TM170-28S 1/4-32 .170 5/16 TM170-32S 1/4-36 .170 5/16 TM170-36S 1/4-20 .187 5/16 TM187-20S 1/4-24 .187 5/16 TM187-24S 1/4-28 .187 5/16 TM187-28S 1/4-32 .187 5/16 TM187-32S 1/4-36 .187 5/16 TM187-36S 1/4-40 .187 5/16 TM187-40S 1/4-48 .187 5/16 TM187-48S ▲ MIN I.D. THREAD/ PITCH A CUTTER DIAMETER B LENGTH OF CUT PART # * Three Flute Solid Carbide, 1/4” Shank Diameter 10-24 .140 1/4 TM140-24S-H 10-28 .140 1/4 TM140-28S-H 10-32 .140 1/4 TM140-32S-H 10-48 .140 1/4 TM140-48S-H 1/4-20 .170 5/16 TM170-20S-H 1/4-24 .170 5/16 TM170-24S-H 1/4-28 .170 5/16 TM170-28S-H 1/4-32 .170 5/16 TM170-32S-H 1/4-36 .170 5/16 TM170-36S-H 1/4-20 .187 5/16 TM187-20S-H 1/4-24 .187 5/16 TM187-24S-H 1/4-28 .187 5/16 TM187-28S-H 1/4-32 .187 5/16 TM187-32S-H 1/4-36 .187 5/16 TM187-36S-H 1/4-40 .187 5/16 TM187-40S-H ▲ MIN I.D. THREAD/ PITCH A CUTTER DIAMETER B LENGTH OF CUT PART # * Two Flute Solid Carbide, 1/4” Shank Diameter, 2.1/2” Overall Length 4-40 .080 3/16 TM080-40 6-32 .098 1/4 TM098-32 6-40 .098 1/4 TM098-40 Three Flute Solid Carbide, 1/4” Shank Diameter, 2.1/2” Overall Length 8-32 .110 5/16 TM110-32 8-32 .125 5/16 TM125-32 10-24 .140 3/8 TM140-24 10-28 .140 3/8 TM140-28 10-32 .140 3/8 TM140-32 10-48 .140 3/8 TM140-48 1/4-20 .170 1/2 TM170-20 1/4-24 .170 1/2 TM170-24 1/4-28 .170 1/2 TM170-28 1/4-32 .170 1/2 TM170-32 1/4-36 .170 1/2 TM170-36 1/4-20 .187 1/2 TM187-20 1/4-24 .187 1/2 TM187-24 1/4-28 .187 1/2 TM187-28 1/4-32 .187 1/2 TM187-32 1/4-36 .187 1/2 TM187-36 1/4-40 .187 1/2 TM187-40 1/4-48 .187 1/2 TM187-48 5/16-18 .235 5/8 TM235-18 5/16-20 .235 5/8 TM235-20 5/16-24 .235 5/8 TM235-24 5/16-28 .235 5/8 TM235-28 5/16-32 .235 5/8 TM235-32 5/16-40 .235 5/8 TM235-40 Four Flute Solid Carbide, 5/16” Shank Diameter, 3.1/2” Overall Length 3/8-16 .290 3/4 TM290-16 3/8-20 .290 3/4 TM290-20 3/8-24 .290 3/4 TM290-24 3/8-27 .290 3/4 TM290-27 3/8-32 .290 3/4 TM290-32 ▲ MIN I.D. THREAD/ PITCH A CUTTER DIAMETER B LENGTH OF CUT PART # * Three Flute Solid Carbide, 1/4” Shank Diameter 2.1/2” Overall Length 10-24 .140 3/8 TM140-24-H 10-28 .140 3/8 TM140-28-H 10-32 .140 3/8 TM140-32-H 10-48 .140 3/8 TM140-48-H 1/4-20 .170 1/2 TM170-20-H 1/4-24 .170 1/2 TM170-24-H 1/4-28 .170 1/2 TM170-28-H 1/4-32 .170 1/2 TM170-32-H 1/4-36 .170 1/2 TM170-36-H 1/4-20 .187 1/2 TM187-20-H 1/4-24 .187 1/2 TM187-24-H 1/4-28 .187 1/2 TM187-28-H 1/4-32 .187 1/2 TM187-32-H 1/4-36 .187 1/2 TM187-36-H 1/4-40 .187 1/2 TM187-40-H Three Flute Solid Carbide, 1/4” Shank Diameter 2.1/2” Overall Length 5/16-18 .235 5/8 TM235-18-H 5/16-20 .235 5/8 TM235-20-H 5/16-24 .235 5/8 TM235-24-H 5/16-28 .235 5/8 TM235-28-H 5/16-32 .235 5/8 TM235-32-H 5/16-40 .235 5/8 TM235-40-H ▲ MIN I.D. THREAD/ PITCH A CUTTER DIAMETER B LENGTH OF CUT PART # * Four Flute Solid Carbide, 3/8” Shank Diameter, 3.1/2” Overall Length 7/16-14 .345 3/4 TM345-14 7/16-18 .345 3/4 TM345-18 7/16-20 .345 3/4 TM345-20 7/16-24 .345 3/4 TM345-24 7/16-28 .345 3/4 TM345-28 Four Flute Solid Carbide, 1/2” Shank Diameter, 3.1/2” Overall Length 1/2-12 .400 1 TM400-12 1/2-13 .400 1 TM400-13 1/2-16 .400 1 TM400-16 1/2-20 .400 1 TM400-20 1/2-32 .400 1 TM400-32 3/4-10 .450 1 TM450-10 5/8-11 .450 1 TM450-11 9/16-16 .450 1 TM450-16 9/16-18 .450 1 TM450-18 9/16-20 .450 1 TM450-20 Six Flute Solid Carbide, 1/2” Shank Diameter, 3.1/2” Overall Length 5/8-12 .490 1 TM490-12 5/8-14 .490 1 TM490-14 5/8-16 .490 1 TM490-16 Six Flute Solid Carbide, 5/8” Shank Diameter, 3.1/2” Overall Length 7/8-8 .620 1 TM620-8 7/8-9 .620 1 TM620-9 7/8-12 .620 1 TM620-12 7/8-14 .620 1 TM620-14 7/8-16 .620 1 TM620-16 Four Flute Carbide Tip, 3/4” Steel Shank Diameter, 6” Overall Length 1-7 .740 1 TM740-7 1-8 .740 1 TM740-8 1-10 .740 1 TM740-10 1-12 .740 1 TM740-12 1-14 .740 1 TM740-14 1-16 .740 1 TM740-16 1-20 .740 1 TM740-20 Six Flute Carbide Tip, 1” Steel Shank Diameter, 7.1/2” Overall Length 1.1/2-6 .990 1 TM990-6 1.1/2-8 .990 1 TM990-8 1.1/2-10 .990 1 TM990-10 1.1/2-12 .990 1 TM990-12 1.1/2-16 .990 1 TM990-16 ▲ MIN I.D. THREAD/ PITCH A CUTTER DIAMETER B LENGTH OF CUT PART # * Four Flute Solid Carbide, 5/16” Shank Diameter 3.1/2” Overall Length 3/8-16 .290 3/4 TM290-16-H 3/8-20 .290 3/4 TM290-20-H 3/8-24 .290 3/4 TM290-24-H 3/8-27 .290 3/4 TM290-27-H 3/8-32 .290 3/4 TM290-32-H Four Flute Solid Carbide, 3/8” Shank Diameter 3.1/2” Overall Length 7/16-14 .345 3/4 TM345-14-H 7/16-18 .345 3/4 TM345-18-H 7/16-20 .345 3/4 TM345-20-H 7/16-24 .346 3/4 TM345-24-H 7/16-28 .345 3/4 TM345-28-H Four Flute Solid Carbide, 1/2” Shank Diameter 3.1/2” Overall Length 1/2-12 .400 1 TM400-12-H 1/2-13 .400 1 TM400-13-H 1/2-16 .400 1 TM400-16-H 1/2-20 .400 1 TM400-20-H 1/2-32 .400 1 TM400-32-H 3/4-10 .450 1 TM450-10-H 5/8-11 .450 1 TM450-11-H 9/16-16 .450 1 TM450-16-H 9/16-18 .450 1 TM450-18-H 9/16-20 .450 1 TM450-20-H
Bass Tool Catalog 2025
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