Reviews Helical Boring Bars - BestBuyersPro.com

iCarbide R8 Boring Head and 1/2 Shank Boring Bar 6pcs Set Inserts Included 1/2 - 4

Sclcr Boring Bar 1-1/2" Shank Diameter, Overall Length 14”.
Insert Material: made of solid carbide with Multilayer coated, offer long tool life and faster cutting speed, low friction coefficient, good wear resistance.
OSCARBIDE boring bars Used for Turning internal hole, reaming, copying,etc.,used for semi-finishing on the existing hole cutter,fit boring machine, lathe machine.
CCMT120408( CCMT432) Carbide Inserts 80 degree，negative 5 degree end & side cutting angle.
For semi-finishing and finishing operations.

☞Material : DCMT2(1.5)1 carbide Inserts with CVD coating ,55 degree diamond turning inserts ，used for machining stainless steel and steel parts.
☞About the Internal Boring bars: 40Cr common steel with forging process , strong and durable ,95 degree right hand internal turning holder. Screw compression,easy to install and remove.
☞Advantage: Offer long life and faster cutting speed, low friction coefficient, good wear resistance Designed for Steel, cast iron and non-ferrous materials.
☞Application: The Minimum processing aperture is 3-5mm of the boring bar head diameter. Used for turning and finishing on a wide range of materials..
☞Package includes: 3pcs Turning Boring Bars (S08K-SDUCR07 + S10K-SDUCR07 +S12M-SDUCR07 ) + 10pcs DCMT070204 Gold Carbide inserts + 3PCS T8 Wrenches.

INDEXABLE DRILL: Versatile, carbide insert drilling tool and inserts for excellent tool life and holemaking performance.
Patented STEP TECHNOLOGY to deliver excellent cutting force balance and indexable drilling productivity.
INSERT SIZE & POCKET POSITIONING: Size 880-01 insert size, Central and Periphery drilling inserts.
DRILL SHANK AND TYPE: Cylindrical with flat shank, coolant through the drill, metric design.
With CoroDrill 880, you can do more than just drilling a hole. The tool can also be used for helical interpolation, boring, plunging, and turning..

2 pieces: 4-7/8" long Cranked Boring Bars.
Made of drop forged tool steel with tungsten carbide tips..
Can be resharpened & reshaped for many times..
Suitable for machining mild steel brass copper and plastics..
For metal lathe, mini lathe, milling other general machining operations such as turning & boring..

Benefits of this product family : Entering the workpiece with an assymetrical drill by default generates an unbalance. Step technology provide a step-by-step entry with lower cutting forces, and therefore enable a higher productivity as well as close hole tolerances..
Inserts and geometries, available for all materials and applications, provide high productivity and extended tool life..
With CoroDrill 880, you can do more than just drilling a hole. The tool can also be used for helical interpolation, boring, plunging, and turning..
Wiper geometry for best surface finish or higher feed possibilities.
Optimized chip channels for accelerated chip evacuation.

Benefits of this product family : Entering the workpiece with an assymetrical drill by default generates an unbalance. Step technology provide a step-by-step entry with lower cutting forces, and therefore enable a higher productivity as well as close hole tolerances..
Inserts and geometries, available for all materials and applications, provide high productivity and extended tool life..
With CoroDrill 880, you can do more than just drilling a hole. The tool can also be used for helical interpolation, boring, plunging, and turning..
Wiper geometry for best surface finish or higher feed possibilities.
Optimized chip channels for accelerated chip evacuation.

50mm Guide scope will help guide you to capturing higher quality astrophotos. with its 50mm lens and smooth helical focuser, the versatile 50mm multi-use guide scope with helical focuser is an ideal addition to any astrophotographers collection of gear.
Multi-use guide scope with helical focuser features a built-in helical focuser that allows precise focus adjustments with zero flexure for rigid performance. obtaining a clear, sharply focused view of potential guide stars is quick and easy with this sturdy scope.
High power guide scope features a machined, knurled ring to make fine focus adjustments nice and easy, while a thumbscrew lets you lock-down the focuser in-place once adjustments are complete. the focuser boasts 8 mm of precise helical focus travel, plus telescoping drawtube housing provides up to 30 mm of additional back-travel if needed for your particular autoguider device.
This complete guide scope comes with two heavy-duty guide scope rings and a 3.5" long, 1.18"wide dovetail mounting bar, which is compatible with dovetail finder scope bases for easy attachment. the dovetail bar features five threaded through-sockets for versatile attachment options. the included guide scope rings feature six metal thumbscrews for precise aiming.

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