Inch Solid Carbide Twist Drill With Internal Coolant & External Coolant
Solid Carbide Twist Drill
● Efficient Heat Management: Extends tool lifespan with superior heat control.
● High Adaptability: Suits diverse machining needs with internal and external coolant options.
● Precision and Efficiency: Lower cutting temperatures enhance drilling accuracy across various materials.
Long Length 140° Point
| Dia. In. |
Shank Dia. mm |
Flute Length In. |
Overall Length In. |
Non-Coolant | Coolant |
| 5/32 | 6 | 1.4173 | 2.9134 | 660-1998 | 660-2030 |
| #15 .1800 | 6 | 1.4173 | 2.9134 | 660-1999 | 660-2031 |
| #14 .1820 | 6 | 1.4173 | 2.9134 | 660-2000 | 660-2032 |
| 3/16 | 6 | 1.7323 | 3.2283 | 660-2001 | 660-2033 |
| #3 .2130 | 6 | 1.7323 | 3.2283 | 660-2002 | 660-2034 |
| 7/32 | 6 | 1.7323 | 3.2283 | 660-2003 | 660-2035 |
| 1/4 | 8 | 2.0866 | 5.5827 | 660-2004 | 660-2036 |
| F .2570 | 8 | 2.0866 | 5.5827 | 660-2005 | 660-2037 |
| I .2570 | 8 | 2.0866 | 5.5827 | 660-2006 | 660-2038 |
| 9/32 | 8 | 2.0866 | 5.5827 | 660-2007 | 660-2039 |
| 19/64 | 8 | 2.0866 | 5.5827 | 660-2008 | 660-2040 |
| 5/16 | 8 | 2.0866 | 5.5827 | 660-2009 | 660-2041 |
| 21/64 | 10 | 2.0866 | 4.0551 | 660-2010 | 660-2042 |
| Q .3220 | 10 | 2.4016 | 4.0551 | 660-2011 | 660-2043 |
| 11/32 | 10 | 2.4016 | 4.0551 | 660-2012 | 660-2044 |
| 23/64 | 10 | 2.4016 | 4.0551 | 660-2013 | 660-2045 |
| 3/8 | 10 | 2.4016 | 4.0551 | 660-2014 | 660-2046 |
| U .3680 | 10 | 2.4016 | 4.0551 | 660-2015 | 660-2047 |
| 25/64 | 10 | 2.4016 | 4.0551 | 660-2016 | 660-2048 |
| 13/32 | 12 | 2.7953 | 4.6457 | 660-2017 | 660-2049 |
| 27/64 | 12 | 2.7953 | 4.6457 | 660-2018 | 660-2050 |
| 7/16 | 12 | 2.7953 | 4.6457 | 660-2019 | 660-2051 |
| 29/64 | 12 | 2.7953 | 4.6457 | 660-2020 | 660-2052 |
| 15/32 | 12 | 2.7953 | 4.6457 | 660-2021 | 660-2053 |
| 31/64 | 14 | 3.0315 | 4.8819 | 660-2022 | 660-2054 |
| 1/2 | 14 | 3.0315 | 4.8819 | 660-2023 | 660-2055 |
| 33/64 | 14 | 3.0315 | 4.8819 | 660-2024 | 660-2056 |
| 9/16 | 16 | 3.2677 | 5.2362 | 660-2025 | 660-2057 |
| 5/8 | 16 | 3.2677 | 5.2362 | 660-2026 | 660-2058 |
| 21/32 | 18 | 3.6614 | 5.6299 | 660-2027 | 660-2059 |
| 11/16 | 18 | 3.6614 | 5.6299 | 660-2028 | 660-2060 |
| 3/4 | 20 | 3.6614 | 5.6299 | 660-2029 | 660-2061 |
Short Length 140° Point
| Dia. In. |
Shank Dia. mm |
Flute Length In. |
Overall Length In. |
Non-Coolant | Coolant |
| 5/32 | 6 | 0.9449 | 2.5984 | 660-2062 | 660-2080 |
| 3/16 | 6 | 1.1024 | 2.5984 | 660-2063 | 660-2081 |
| 7/32 | 6 | 1.1024 | 2.5984 | 660-2064 | 660-2082 |
| 1/4 | 8 | 1.3386 | 3.1102 | 660-2065 | 660-2083 |
| 19/64 | 8 | 1.6142 | 3.1102 | 660-2066 | 660-2084 |
| 21/64 | 10 | 1.8504 | 3.5039 | 660-2067 | 660-2085 |
| 3/8 | 10 | 1.8504 | 3.5039 | 660-2068 | 660-2086 |
| 25/64 | 10 | 1.8504 | 3.5039 | 660-2069 | 660-2087 |
| 13/32 | 12 | 2.1654 | 4.0157 | 660-2070 | 660-2088 |
| 27/64 | 12 | 2.1654 | 4.0157 | 660-2071 | 660-2089 |
| 7/16 | 12 | 2.1654 | 4.0157 | 660-2072 | 660-2090 |
| 29/64 | 12 | 2.1654 | 4.0157 | 660-2073 | 660-2091 |
| 15/32 | 14 | 2.1654 | 4.0157 | 660-2074 | 660-2092 |
| 31/64 | 14 | 2.3622 | 4.2126 | 660-2075 | 660-2093 |
| 9/16 | 16 | 2.5591 | 4.5276 | 660-2076 | 660-2094 |
| 5/8 | 16 | 2.5591 | 4.5276 | 660-2077 | 660-2095 |
| 11/16 | 18 | 2.8740 | 4.8425 | 660-2078 | 660-2096 |
| 3/4 | 20 | 3.1100 | 5.1580 | 660-2079 | 660-2097 |
Please contact us for further information. To assist you more effectively, Kindly provide the following details:
● Specific product models and the approximate quantities you require.
● Do you require OEM, OBM, ODM or neutral packing for your products?
● Your company name and contact information for prompt and accurate feedback.
Additional, we invite you to request samples for quality testing.
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