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Capacity: 3/16-3/4"; Taper: 3JT; Accuracy: 0.0071"
Shank Size: Morse Taper 4; TIR (inch): 0.0002; Mounting Size: 3JT
Product Included: One piece of 3/4' Drill Chuck (202-5006), One piece of MT4 Arbor (202-1330); One piece of drill chuck key
Shars heavy duty drill chuck is specifically engineered for heavy-duty production drilling. Drill chuck designed for drilling applications on portable bench, floor type drill presses, mills, lathes & more. Sleeve bearing construction improves gripping force and drilling accuracy. Hardened ground center jaw to improve absolute straightness alignment and durability. One piece sleeve design eliminate the cracks between driving teeth. Sleeve teeth, nose piece and keyholes are through hardened, providing outstanding wear resistance. Sleeve teeth is form by cold pressing to improve durability. Precision ground taper end to provide tight mounting onto appropriate arbor.