12-Pack Set 3 Boring Head R8 Shank 3/4 Carbide Boring Bar, for Bridgeport Millin

  

12-Pack Set 3 Boring Head R8 Shank 3/4 Carbide Boring Bar, for Bridgeport Milling. Item dimensions L x W x H.

12.87 x 9.84 x 3.54 inches. 12.87 x 9.84 x 3.54 inches; 12.7 Pounds.

3 Boring Head With R8 Shank; Head size: 3 ; Boring bar Hole: 3/4 ; Cross Hole Dia: 3/4 ; Maximum Offset: 1. Tool set made of high quality steel with great match of hardness and toughness, thus prolongs its service life.

A micrometer lead screw provides 0.0001 direct reading accuracy and ease of adjusting. Double bar holder permits a greater boring range with out an extreme offset condition.

Packing including: 1 x 3 Boring Head, 1x R8 Shank, 12 x 3/4 Carbide Boring Bar, 1 x Allen Wrench. 2 Boring Head R8 Shank. 3" Boring Head 0.0005/0-100 Graduation 3/4" Boring Bar hole diameter 3/4" Cross hole diameter 1" maximum offset 1-1/2"-18 thread size R8 shank can be fitted on a 2", 3", or 4" boring head with 1.5"-18 thread size 12 PCS carbide tip boring bar set 3/4" shank diameter Shank Dia.

3/4" For R8 spindle machines Hardened and ground Shank Diameter 3/4" 12 pcs When the direction of the dial is reversed, the backlash between the gear train is listed below. Overall Length --- Bore Depth --- Min. Bore 3-1/8"---1-1/8"---7/16" 3-11/16" ------ 1-11/16" ------ 7/16" 4-1/4" ------ 2-1/4" ------ 7/16" 3-1/2" ------ 1-1/2" ------ 9/16" 4-1/4" ------ 2-1/4" ------ 9/16" 5" ------ 3" ------ 9/16" 3-7/8" ------ 1-7/8" ------ 11/16" 4-13/16" ------ 2-13/16" ------ 11/16" 5-3/4" ------ 3-3/4" ------ 11/16" 4-1/4" ------ 2-1/4" ------ 13/16" 5-3/8" ------ 3-3/8" ------ 13/16 " 6-1/2" ------ 4-1/2" ------ 13/16". 1 x 3" Boring Head 1 x R8 Shank 12 x 3/4" Carbide Boring Bar 3 x Allen Wrench 1 x Plastic Case. We offer the best prices around on high quality products.

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