3/8x6 1/4 Shank Carbide Tipped Masonry Drill Bit

Sizes smaller than 1/16 and #52 have the 118 degree standard point. 3/32"x6" HSS Aircraft Extension Drill Bit, Overall Length: 6" Manufactured to Aerospace Standard 907. They have a black oxide surface treatment that is abrasion resistant, reduces chip welding and improves chip flow..

Adjustment is obtained by a fine pitch screw which forces the sides of the die apart, or allows them to spring together.

High speed steel hand taps can be used for making new threads or re-threading damaged threads.

Screw machine drills (also know as stub or stubby drills) are manufactured to National Aerospace Standard 907.

Screw machine drills are popular in the automotive and construction industries. Sizes smaller than 1/16 and #52 have the 118 degree standard point..Screw machine drills (also know as stub or stubby drills) are manufactured to National Aerospace Standard 907.

Features a left hand helix for screw machine applications where spindles rotate counter-clockwise. Q HSS Left Hand Jobber Length Drill Bit. Left hand drills can also be used to drill out broken bolts.

Adjustment is obtained by a fine pitch screw which forces the sides of the die apart, or allows them to spring together.The slot is beveled so that when the dies are used in a machine holder the adjusting screw can be removed and adjustment made by the adjusting screws in the holder Round Dies are chamfered on both faces. 1/4"-32x2" OD HSS Round Adjustable Die Special For threading, a High Speed Steel Round Adjustable Die is desired for improved wear life..

Carbide tipped round shank masonry drills are engineered with wide fultes to provide fast dust removal in softer materials. Designed for use in portable electric drills.Designed for drilling in brick, concrete and sandstone. Carbide tips brazed to tough steel bodies and are larger than the nominal drill size to provide clearance for installation of anchor screws, expansion shields and toggle bolts.

.The slot is beveled so that when the dies are used in a machine holder the adjusting screw can be removed and adjustment made by the adjusting screws in the holder Round Dies are chamfered on both faces.

Carbide tips brazed to tough steel bodies and are larger than the nominal drill size to provide clearance for installation of anchor screws, expansion shields and toggle bolts.Designed for drilling in brick, concrete and sandstone. Carbide tipped round shank masonry drills are engineered with wide fultes to provide fast dust removal in softer materials. Designed for use in portable electric drills.