Boring Bar, 5/16" Indexable
- Profiling bars for semi-finishing and finishing operations
- Designed for CCMT 80° inserts
- 7° Relief angle
- Negative 5° Lead angle for boring
- 3° Side & end cutting edge angle
Part Number: 3719
Weight: 0.11 lb
Weight: 0.11 lb
Price: $29.95
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This 5/16" diameter indexable boring bar uses CCMT inserts.
The boring bar is 4" long.
The minimum boring diameter is 0.437".
Use CCMT 21.51 or CCMT 21.52 inserts with this boring bar.
This boring bar does not come with an insert. You must purchase inserts separately.
Chris' TipsOur chart of indexable inserts shows which inserts and which screw to use with each of our indexable tools.
| Overall Length | 4" (102 mm) |
| Diameter | 0.312" (7.94 mm) |
| Minimum Bore | 0.437" (11.10 mm) |
| CCMT Inserts | 80° |
| Replacement Inserts | CCMT-21.51 or CCMT-21.52 |
| Relief Angle | 7° |
| Lead Angle for Boring | -5° |
| Side & End Cutting Edge Angle | 3° |
| Screw | M2.5x8 |
| Torx Wrench | T-8 |
Compatibility
This product works with these LittleMachineShop.com products:
- 1781 Insert, CCMT-21.51 Carbide
- 3696 Insert, CCMW-21.51 HSS
- 4975 Insert, CEMW-21.5.5 HSS
- 2696 Screw, Insert Retaining, M2.5x6
- 5551 Torx Wrench, T-8
- 4843 Torx Wrench, T-8, Wiha
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