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BS ISO 3439:2003 – Subland twist drills with cylindrical shanks for holes prior to tapping screw threads

Available as PDF document for immediate download, or as printed publication – yes

Number of pages – 10 pages, A4

Manufacturer – BSI

Price – GBP 64

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Keywords – Subland twist drills, Twist drills, Drills, Tool shanks, Cylindrical shape, Holes, Tapping (threads), Threads, Dimensions, Diameter, Thread pitch