M12 Thread, 3-15/16" Bore Diam, 5.709" OD, Shaft Locking Device MPN:C123E-393

This extension tap offers superior performance and value to professional engineers across multiple sectors who require accurate thread forming in tight spaces where clearance is limited. Manufactured with high-speed steel for durability and ease of use, the M3.5 x 0.6 extension tap has a D7 flute design to enable faster chip removal and cleaning while also reducing breakage risk. The bright/uncoated finish promotes precision thread cutting without heat buildup preventing workpiece discoloration on stainless steel or soft materials. With its versatile size, length and material combination, this tap delivers exceptional accuracy for professional maintenance teams or production environments alike while maintaining cost-effective prices to make it the ideal investment for anyone who demands high quality thread forming solutions with ease.