This spiral point hand tap is 2 23/32 inches long, with a 5/16"-18 UNC thread and a 0.318-inch shank diameter. This bright, right hand tap has an H3 thread limit and is made from high speed steel.
Technical Specs
ItemHand Tap
Thread StandardUNC
Tap FinishBright (Uncoated)
Overall Length2 23/32 in
Thread LimitH3
Thread DirectionRight Hand
Primary Material ApplicationAll Materials
65% Thread Drill Size17/64 in
Measurement SystemFractional Inch
Series1011
Shank Length1 19/32 in
Spiral DirectionNeutral
StandardsUSCTI 302A
Tap GroupingTap
Thread Limit / Class of FitH3 / 2B
Tap StyleSpiral Point
Thread Size5/16"-18
Tap MaterialHigh Speed Steel
Thread Length1 1/8 in
75% Thread Drill SizeF
Class of Fit2B
Number of Flutes3
55% Thread Drill SizeI
Extended NeckYes
Primary Material Application ISO CodeN, P
Shank Dia.0.318 in
Shank Type - MachiningStraight
Square Size0.2380 in
Tap ChamferPlug
Threads per Inch18 TPI
Helix Angle0 Degrees
Country of OriginUnited States
(subject to change)