Cline Tools Davis Double Edge Boring Bar & Blade Blocks 1-1/2” Straight Shank

Description

Cline Tools Davis Double Edge Boring Bar & Blade Blocks 1-1/2” Straight Shank. Condition is "Used". Shipped with USPS Priority Mail Medium Flat Rate Box.
Actual items pictured.
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From the Cline Tools Website:
The Davis Block Type Boring Tool System
Increases productivity and reduces tooling costs for vertical and horizontal boring machines and machining centers.
Up to 50% lower initial cost:
Just five standard Davis bars handle all boring jobs from 1" through 12.5" diameter.
Cut three times faster:
Two cutters cut faster than one. Feeds with Davis two-cutter blocks are up to three times faster than with single point tools.
Greater range of operations per bar:
Seven types of interchangeable, cutter blocks enable one Davis bar to handle multiple machining operations.
Balanced chip load promotes accuracy:
Davis system assures accurate, round taper free bores everytime.  Chip load is balanced between the cutters. Opposed cutting action minimizes the effect of tool wear and bar deflection.
Presetting holds tolerances of +.0005"
:  Adjustable tooling provides a full presetting of both radial and axial accuracies, with tolerances of +.0005" on diameters easily held with normal care.
Any of the seven block styles can be exchanged in the same Davis bar
Type STL & ST:
Two-cutter and roughing & semi-finish blocks. Standard throwaway inserts, excellent choice for fast removal of excess stock in rough bores.
Type AT:
Two-cutter semi-finish and finishing block.  Adjustable throwaway inserts lock and adjust radially.  Production boring with maximum economy.
Type E:
Two-cutter rough and finishing block.  Expandable cuters adjust to compensate for wear.  Regrinding for both diameter and depth for complete positive control of machining accuracy.
Type MST:
All-purpose single-cutter block.  Micrometer adjustable in increments of .001" radially over a wide range of bore diameters  Best used for short runs and one-of-a-kind applications.
Type STC:
Single-cutter chamfering block.  Blocks with throwaway insert for 45° chamfering applications.
Solid Block:
All-purpose boring and facing tool.  Manufactured from super high speed steel, or with brazed carbide, for machining large faces or chamfering holes.