7/16 BSF finishing wire insert tap

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Also known as an intermediate or second lead tap, this 7/16-18 BSF wire insert finishing tap is made from High Speed Steel (HSS). The tap's 3-5 taper lead threads provide a tapped hole with a full diameter thread. Generally used for through holes. Please note Successful tapping depends on many factors, including but not limited to: Tapping speed Depth of cut Type of material being cut Condition of the material being cut Type of coolant and/or lubricant Type of tapping head Show more