Precise 4″ Precision Boring Head – 202-016

• A micrometer lead screw provides 0.001 for 2 b boring head or .0005 for 3 & 4 boring head direct reading accuracy and ease of adjusting.
• Double bar holder permits a greater boring range without an extreme offset condition.
• Made of 20CrMnTi alloy steel.
• Compared to generic 2: & 3 boring heads on the market, the main lead screw has minimum amount of backlash in 5-10 graduation while the generic model has around 12-20 graduation. Smaller backlash allows the operator to be able to dial in on the desired level much easier.

Item No. 202-016 Overall Length 3-1/2″ Boring Bar Size B 1″ Threaded Size 1.5-18″ Center Distance Between Holes 1-1/4″ Center Hole Diameter C 1″ Offset 1-5/8″ Min. Boring Diameter 5/8″ Max. Boring Diamter 12-1/2″

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