Neb colletsfor sale

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High Speed Steel (HSS) Threaded Shank Drill bits (adapter drills)are made to the NAS 965 type “B” standard and are surface treated with Steam Oxide. Threaded shank drills are designed for use in tools with 1/4 “-28 female spindle and generally in confined areas. All High speed Steel adapter drills come standard with a 135° P-9 split point. High Speed Steel Threaded Shank Drills have a hex shank for easy identification. Designed for drilling general to medium duty low tensile strength materials in confined areas. Available in number and fractional sizes – Manufactured in the USA.