Drilling - Threaded Drill Bits
 
KTC252 - KTC253 - KTC254 Threaded Shank Drill Bits 135° - High Speed Steel
Industrial- Grade NAS High Speed Steel (HSS)   Precision ground for faster, more efficient chip removal
Surface treated for corrosion resistance and increased lubricity   Additional Fractional sizes also available, please inquire
Built to NAS 965 standards   Additional Letter sizes also available, please inquire
Split Point will penetrate on contact to prevent "walking"   MADE IN THE USA

Material Application: Aluminum, Copper, Cast Iron & Steel (Low and Medium Carbon)


KTC252 Long
KTC253 Standard
KTC254 Stubby
Model #
-Size		 Decimal
Equivalent		 Overal
Length
Inches		 Price
KTC252-40 0.0980 2 1/8 3.55
KTC252-1/8 0.1250 2 1/8 3.55
KTC252-30 0.1285 2 1/8 3.55
KTC252-27 0.1440 2 1/8 3.55
KTC252-5/32 0.1562 2 1/8 3.55
KTC252-21 0.1590 2 1/8 3.55
KTC252-20 0.1610 2 1/8 3.55
KTC252-16 0.1770 2 1/8 3.70
KTC252-13 0.1850 2 1/8 3.70
KTC252-3/16 0.1875 2 1/8 3.70
KTC252-11 0.1910 2 1/8 3.70
KTC252-10 0.1935 2 1/8 3.70
KTC252-1/4 0.2500 2 1/8 3.95
KTC252-F 0.2570 2 1/8 5.20
Model #
-Size		 Decimal
Equivalent		 Overal
Length
Inches		 Price
KTC253-40 0.0980 1 3.15
KTC253-1/8 0.1250 1 1/4 3.15
KTC253-30 0.1285 1 1/4 3.25
KTC253-27 0.1440 1 1/4 3.25
KTC253-5/32 0.1562 1 1/4 3.25
KTC253-21 0.1590 1 1/4 3.25
KTC253-20 0.1610 1 1/4 3.25
KTC253-16 0.1770 1 1/4 3.35
KTC253-13 0.1850 1 1/4 3.35
KTC253-3/16 0.1875 1 1/4 3.35
KTC253-11 0.1910 1 1/4 3.55
KTC253-10 0.1935 1 1/4 3.45
KTC253-1/4 0.2500 1 1/4 3.70
KTC253-F 0.2570 1 1/4 4.55
Model #
-Size		 Decimal
Equivalent		 Overal
Length
Inches		 Price
KTC254-40 0.0980 1/2 3.45
KTC254-1/8 0.1250 9/16 3.45
KTC254-30 0.1285 9/16 3.45
KTC254-27 0.1440 9/16 3.45
KTC254-5/32 0.1562 9/16 3.45
KTC254-21 0.1590 9/16 3.45
KTC254-20 0.1610 9/16 3.45
KTC254-16 0.1770 9/16 3.45
KTC254-13 0.1850 9/16 3.55
KTC254-3/16 0.1875 9/16 3.55
KTC254-11 0.1910 9/16 3.55
KTC254-10 0.1935 9/16 3.55
KTC254-1/4 0.2500 9/16 3.70
KTC254-F 0.2570 9/16 4.70
 
KTC255 - KTC256 - KTC257 Threaded Shank Drill Bits 135° - Cobalt
Industrial- Grade NAS Cobalt Steel   Less load pressure required
Superior red hardness for high temperature applications   Hard surface with high lubricity
Built to NAS 965 standards   Additional fractional & letter sizes also available, please inquire
Split Point will penetrate on contact to prevent "walking"   MADE IN THE USA

Material Application: Steel (Low & Medium Carbon), Stainless, Alloy & Strength Alloys


KTC255 Long
KTC256 Standard
KTC257 Stubby
Model #
-Size		 Decimal
Equivalent		 Overal
Length
Inches		 Price
KTC255-40 0.0980 2 1/8 3.55
KTC255-1/8 0.1250 2 1/8 3.70
KTC255-30 0.1285 2 1/8 3.70
KTC255-27 0.1440 2 1/8 3.0
KTC255-5/32 0.1562 2 1/8 3.70
KTC255-21 0.1590 2 1/8 3.70
KTC255-20 0.1610 2 1/8 3.70
KTC255-16 0.1770 2 1/8 3.95
KTC255-13 0.1850 2 1/8 3.95
KTC255-3/16 0.1875 2 1/8 3.95
KTC255-11 0.1910 2 1/8 3.95
KTC255-10 0.1935 2 1/8 3.95
KTC255-1/4 0.2500 2 1/8 4.20
KTC255-F 0.2570 2 1/8 5.40
Model #
-Size		 Decimal
Equivalent		 Overal
Length
Inches		 Price
KTC256-40 0.0980 1 3.25
KTC256-1/8 0.1250 1 1/4 3.25
KTC256-30 0.1285 1 1/4 3.25
KTC256-27 0.1440 1 1/4 3.45
KTC256-5/32 0.1562 1 1/4 3.45
KTC256-21 0.1590 1 1/4 3.45
KTC256-20 0.1610 1 1/4 3.45
KTC256-16 0.1770 1 1/4 3.70
KTC256-13 0.1850 1 1/4 3.70
KTC256-3/16 0.1875 1 1/4 3.70
KTC256-11 0.1910 1 1/4 3.70
KTC256-10 0.1935 1 1/4 3.70
KTC256-1/4 0.2500 1 1/4 4.20
KTC256-F 0.2570 1 1/4 5.20
Model #
-Size		 Decimal
Equivalent		 Overal
Length
Inches		 Price
KTC257-40 0.0980 1/2 3.45
KTC257-1/8 0.1250 9/16 3.55
KTC257-30 0.1285 9/16 3.55
KTC257-27 0.1440 9/16 3.55
KTC257-5/32 0.1562 9/16 3.70
KTC257-21 0.1590 9/16 3.70
KTC257-20 0.1610 9/16 3.70
KTC257-16 0.1770 9/16 3.70
KTC257-13 0.1850 9/16 3.70
KTC257-3/16 0.1875 9/16 3.70
KTC257-11 0.1910 9/16 3.70
KTC257-10 0.1935 9/16 3.70
KTC257-1/4 0.2500 9/16 3.95
KTC257-F 0.2570 9/16 5.20
 
KTC608 Female Threaded Bit Extensions

The KTC608 series drill extension is a convenient way to use ¼” x 28 threaded drill bits and cutters in a standard drill chuck. Extensions have a ¼” shank on one end and ¼” x 28 female threads on the other. Made from quality high speed steel.

 		 


 
 
Model # Extension
Length (Inches)		 Price
KTC608-4 4 13.00
KTC608-6 6 13.00
KTC608-8 8 13.00
KTC608-10 10 13.00