F1 Bt40 Bt30 R8 Mt Tool Holder Boring Head Kit Boring Tool Boring Bar
2" Boring Head With R8 Shank Head size: 2" Boring bar Hole: 1/2" Cross Hole Dia: 1/2" Maximum Offset: 5/8" 2" Boring Head With R8 Shank Head size: 2" Boring bar Hole: 1/2" Cross Hole Dia: 1/2" Maximum Offset: 5/8" Thread: 1.5"-18 Graduations: 0.001/0-50 Center Distance bt 2 bottom hole: 0.60" With R8 Shank. 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. 1 DIV = 0.001"ø? 0.001" ø, meaning on the 0-50 dial, when turning the dial by 1 division/graduation, the boring head's travel is 0.001" in radius movement, 0.002 in diameter movement. When the direction of the dial is reversed, the backlash between the gear train is listed below. OVERALL LENGTH --- BORE DEPTH --- MIN. BORE 2-1/4" -------- 3/4" --------- 5/16" 2-5/8" -------- 1-1/8" ------ 5/16" 3" -------------- 1-1/2" ------- 5/16" 2-5/8" ------- 1-1/8" ------- 7/16" 3-3/16" ----- 1-11/16" --- 7/16" 3-3/4" ------- 2-1/4" ------- 7/16" 3" ------------- 1-1/2" ------- 9/16" 3-3/4" ------- 2-1/4" ------- 9/16" 4-1/2" ------- 3" -------------- 9/16.
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- Brand: Unbranded
- Model: BORING-R8-9
- Country/Region of Manufacture: China