E398UNC5/16
Thread size UNC 0.313 inch - 18 TPI, with thread tolerance class 93707, and maximum threading depth 0.7825 inches.
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Material: HSS-E-PM
Lenxth x Diameter Ratio: 2.5
Overall Length (OAL): 3.543
Connetion Diameter: 0.315
Tool Direction: Right
Diameter Size: 5/16
Thread Diameter - in: 0.313
Thread Diameter - mm: 7.938
TPI: 18.0
Thread Form: UNC - Unified Coarse
Usable Length: 1.378
Grade: TiCN
EDP: 8464223
EAN: 3603607095645
MFG Part Number: 8464223