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Tool # 820644-C8
Combination Drill/Thread Mills, Holemaking & Threading
- Thread Size: 1/4-20
- Drill Diameter: 0.2013"
- Length of Cut: 0.7154"
- Secondary Point Angle Dia: 0.1172"
- Length of Tip: 0.1168"
- Tool #: 820644-C8
- Quantity Available: 7
- Price: $0 USD
- Customer Rating:
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OPTIMIZED FOR
Operations
Drilling
Threading
Materials
Aluminum
Non-Ferrous Metal
Cast Iron
Steel
Stainless Steel
Exotic Metal
Titanium
Plastic
Wood
Composites
Graphite
Hardened Alloys
Green (unfired)
TOOL DIMENSIONS
- Thread Size 1/4-20
- Drill Diameter 0.2013"
- Length of Cut 0.7154"
- Secondary Point Angle Dia 0.1172"
- Length of Tip 0.1168"
- Length of Thread Relief 0.0500"
- Chamfer Length 0.0394"
- Shank Diameter 0.3750" (3/8)
- Overall Length 2.5000" (2-1/2)
- Thread Diameter 0.1800"
- Included Angle 90
- Point Angle 130
- Flutes 3
- Coating C8
- Catalog Page 516
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