Spiral flute tap Blue Shark with chamfer form C with a 2-3xP semi-bottoming lead, for ISO-Metric thread M8 with 1.25 mm pitch and 6H class of fit, dimensions according to DIN 371 standard with 8.0mm shank and 6.2mm square drive, powder metallurgical HSS-E with Super-B coating and 40° helix angle for 2.5xD blind hole threading in ferritic, martensitic and austenitic stainless steel More information:  | | Coating name (Grade): | SUPER-B | Basic standard group (BSG): | DIN 371 | Body material code (BMC): | HSS-E-PM | Brand Name: | Dormer | Clamping width - millimeter (WSC): | 6,2 mm | Coating property (CTP): | Beschichtet | Connection diameter - millimeter (DCON MS): | 8 mm | Hand (Cutting direction): | Right | Flute helix angle (FHA): | 40 ° | Flute count (NOF): | 3 | Overall length - millimeter (OAL): | 90 mm | Premachined hole diameter - millimeter (PHD): | 6.8 mm | Tap chamfer style (TCS): | C 2 - 3 | Thread diameter size (TDZ): | 8 | Thread form type (THFT): | M - Metric coarse | Thread pitch - millimeter (TP): | 1,25 mm | Thread tolerance class (TCTR): | 6H | Threading length - millimeter (THL): | 12 mm | Usable length diameter ratio? (ULDR): | 2.5 XD | Usable Length - millimeter (LU): | 33 mm | Ordering code ISO: | E239M8 |
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