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Boston Gear spur gears are designed to transmit motion and power between parallel shafts
Temperature Range: -40°F to +150°F
• 135º split point is self-centering for reducing thrust and easier penetration
While 20° PA is generally recognized as having a higher load-carrying capacity
self-centering design without mounting flange for use in through-bored components
42570 Type 260-D Screw Machine Length M42 Cobalt 135Â degree Split Point HSS Drill Bit (12 pack) 2-3/16" Bore Boston Gear spur gears areManufactured from M42 High Speed Steel contains 8% Cobalt increasing hot hardness. High hot hardness of cobalt permits speeds 30% over regular high speed steel drills. Titanium Aluminum Nitride Can be used in machining stainless steel, nickel based and titanium alloys, not recommended for aluminum. Use to drill hard, tough metals, free machining stainless steel, titanium alloys and certain abrasive plastics. Click Here for product catalog Proudly
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