This spiral point tap is made of high speed steel and has a 3/16 inch diameter, 4¾ inch long shank. It is for use with cast iron, steel, and meets the standards for USCTI TABLE 303A. This 1011E series spiral point tap has a bright (uncoated) finish, and has fractional inch measurements. It has right hand direction with a six-inch length. Plus it has three flutes and a straight shank.
Technical Specs
ItemSpiral Point Tap
Thread StandardUNC
Tap FinishBright (Uncoated)
Overall Length6 in
Thread LimitH3
Thread DirectionRight Hand
Primary Material ApplicationCast Iron, Steel
65% Thread Drill SizeP
Measurement SystemFractional Inch
Series1011E
Shank Length4 3/4 in
Spiral DirectionNeutral
StandardsUSCTI 303A
Tap GroupingTap
Thread Limit / Class of FitH3 / 2B
Tap StyleSpiral Point
Thread Size3/8"-16
Tap MaterialHigh Speed Steel
Thread Length1 1/4 in
75% Thread Drill Size0.3125 in
Class of Fit2B
Number of Flutes3
55% Thread Drill Size8.40 mm
Extended NeckYes
Primary Material Application ISO CodeK, P
Shank Dia.3/16 in
Shank Type - MachiningStraight
Square Size0.2860 in
Tap ChamferPlug
Threads per Inch16 TPI
Helix Angle0 Degrees
Country of OriginUnited States
(subject to change)