These Micro 100 quick change Un threading tools feature a single point, and are designed for threading multiple thread pitches (ANSI, Un, and Metric 60°) in a left hand threading application.
Features:- Polished split face for improved edge retention and chip evacuation while reducing galling
- Split face geometry provides optimal edge strength
- Coolant fed enabled shank design
- Corner radius profile
- Proprietary Micro-Quik quick change system maximizes productivity through reliable accuracy and locational repeatability
- AlTiN coated option provides added lubricity and increased wear resistance in difficult to machine materials
- Solid carbide
- CNC ground in the USA
Product Specifications
Manufacturer Part Number | QITL-290750X |
Minimum Bore Diameter (Inch) | 0.3120" (5/16) |
Maximum Bore Depth (Inch) | 0.750" (3/4) |
Projection (Inch) | 0.0700" |
Shank Diameter (Inch) | 0.3125" (5/16) |
Centerline Offset (Inch) | 0.1337" |
Offset (Inch) | 0.040" |
Corner Radius (Inch) | 0.002" |
Length from Holder (Inch) | 0.853" |
Overall Length (Inch) | 2.00" (2) |
Neck Diameter (Inch) | 0.2150" |
Thread Size | 8-40 |
Hand Direction | Left Hand |
Coating | AlTiN |

Warning:
This product can expose you to materials and/or chemicals including arsenic, lead, and other materials and/or chemicals which are known to the state of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov
Brand:
Micro 100
Minimum Bore Diameter (Inch):
5/16"
Minimum Bore Diameter (Decimal Inch):
0.3120"
Head Width (Decimal Inch):
0.2900"
Finish/Coating:
AlTiN
Maximum Bore Depth (Inch):
3/4"
Maximum Bore Depth (Decimal Inch):
0.7500"
Projection (Decimal Inch):
0.0700"
Shank Diameter (Inch):
5/16"
Shank Diameter (Decimal Inch):
0.3125"
Corner Radius (Decimal Inch):
0.0020"
Neck Diameter (Decimal Inch):
0.2150"
Overall Length (Inch):
2"
Overall Length (Decimal Inch):
2.0000"