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3" Adjustable Precision Boring Head R8 Shank Indexable Carbide Boring Bar Combo 10 PC Set

SKU
202-8047
$361.00
In stock

Shipping UPS Ground

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More Information
BrandShars Tool
Boring Head CategoryBoring Head Sets
shank sizeR8
drawbar thread size7/16x20UNF
head size3
hole size3/4
Distance Between Hole Centers0.925
Number of Pieces10
boring bar materialindexable tipped
shank thread size1-1/2-18
max offset1
Dial Reading0-100
diameter direct reading0.001"

Spotlight

  • Compared to the generic boring head on the market, the main lead screw has minimum amount of backlash in 10 graduation while the generic model has around 15 graduation. Smaller backlash allows the operator to be able to dial in on the desired travel much easier.
  • Internal bore within H7 specification to give tight fitting with cutting's shank
  • 1 division is equaled to 0.001" travel in diameter
  • Hardened and ground adjusting screw assures long-lasting and trouble free use.
  • Easy reference guide for insert number, screw, and other accessories is printed on the tool shank

3/4" boring bar set 8 pcs

Overall Length Bore Depth Min. Bore
3-3/8" 1-3/8" 7/16"
4-1/4" 2-1/4" 7/16"
3-5/8" 1-5/8" 1/2"
4-5/8" 2-5/8" 1/2"
3-7/8 1-7/8" 9/16"
5" 3" 9/16"
4-1/4" 2-1/4" 11/16"
5-1/2" 3-1/2"" 11/16"

What’s Included

  • 3" Boring Head (202-8043)
  • R8 Shank (202-8001)
  • 3/4" boring bar set 8 pcs (404-7188)

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