Tap Die and Reamer Product List

Taps

NEF and NS SPECIAL TAPS
RIGHT HAND HIGH SPEED STEEL
LEFT HAND HIGH SPEED STEEL
METRIC SPECIAL TAPS
RIGHT HAND HIGH SPEED STEEL
PG STEEL CONDUIT TAPS – PER DIN 40430
RIGHT HAND HIGH SPEED STEEL
TANDEM ACME TAPS
RIGHT AND LEFT HAND HIGH SPEED STEEL
ACME HAND TAPS
RIGHT AND LEFT HAND HIGH SPEED STEEL
EXTRA LENGTH ACME TAPS
RIGHT AND LEFT HAND HIGH SPEED STEEL
TRAPEZOIDAL HAND TAPS
RIGHT HAND HIGH SPEED STEEL
SPECIAL ACME TAPS
 + .005" O/S NC and NF TAPS RIGHT HAND HIGH SPEED STEEL
+ .015" O/S NC TAPS RIGHT HAND HIGH SPEED STEEL
+ .010" O/S NC TAPS RIGHT HAND HIGH SPEED STEEL
+ .020" O/S NC TAPS RIGHT HAND HIGH SPEED STEEL
+ 1/32" O/S NC TAPS RIGHT HAND HIGH SPEED STEEL
+ .005" O/S METRIC TAPS RIGHT HAND HIGH SPEED STEEL
+ .015" O/S METRIC TAPS RIGHT HAND HIGH SPEED STEEL
METRIC EXTENSION TAPS RIGHT HAND HIGH SPEED STEEL
METRIC SPIRAL POINT EXTENSION TAPS RIGHT HAND HIGH SPEED STEEL
NC and NF SPIRAL POINT EXTENSION TAPS RIGHT HAND HIGH SPEED STEEL
NC and NF EXTENSION TAPS RIGHT HAND HIGH SPEED STEEL
NC and NF SMALL SHANK EXTENSION TAPS RIGHT HAND HIGH SPEED STEEL
NC and NF RIGHT HAND MACHINE SCREW TAPS
HIGH SPEED GROUND THREAD
NC and NF RIGHT HAND FRACTIONAL TAPS
HIGH SPEED GROUND THREAD NC and NF LEFT HAND TAPS
HIGH SPEED GROUND THREAD
METRIC RIGHT HAND STRAIGHT FLUTE and SPIRAL POINT TAPS
METRIC LEFT HAND STRAIGHT FLUTE and SPIRAL POINT TAPS
52º HY SPIRAL FLUTE TAPS
30º SLOW SPIRAL FLUTE TAPS
NC and NF ROLL FORM TAPS
METRIC ROLL FORM TAPS
NC and NF S.T.I. TAPS
METRIC S.T.I. TAPS .
NPT TAPER PIPE TAPS RIGHT and LEFT HAND HIGH SPEED STEEL
NPT INTERRUPTED THREAD TAPER PIPE TAPS RIGHT HAND HIGH SPEED STEEL
NPT EXTENSION TAPER PIPE TAPS RIGHT HAND HIGH SPEED STEEL
ROLL FORM NPT TAPER PIPE TAPS RIGHT HAND HIGH SPEED STEEL
SPIRAL FLUTE NPT TAPER PIPE TAPS RIGHT HAND HIGH SPEED STEEL PTF SAE SHORT PROJECTION PIPE TAPS RIGHT HAND HIGH SPEED STEEL
NPS STRAIGHT PIPE TAPS RIGHT HAND HIGH SPEED STEEL
Combined Tap and Drill
NC and NF COMBINED TAP and DRILL RIGHT HAND HIGH SPEED STEEL 2 FLUTE
METRIC COMBINED TAP and DRILL RIGHT HAND HIGH SPEED STEEL 2 FLUTE COMBINED TAPER PIPE TAP and DRILL RIGHT HAND HIGH SPEED STEEL

Dies

NS and NEF SPECIAL ROUND ADJUSTABLE DIES RIGHT and LEFT HAND HIGH SPEED
STEEL
NS and NEF HEX RETHREADING DIES RIGHT HAND HIGH SPEED STEEL
METRIC SPECIAL ROUND DIES RIGHT HAND HIGH SPEED STEEL
METRIC SPECIAL HEX RETHREADING DIES RIGHT HAND HIGH SPEED STEEL
HEX RETHREADING DIES FOR AFBMA LOCKNUT SHAFTS and ROUND THREADING DIES RIGHT HAND HIGH SPEED STEEL
ACME ROUND and HEX DIES RIGHT HAND HIGH SPEED STEEL
NC and NF ROUND SPLIT ADJUSTABLE DIES RIGHT HAND HIGH SPEED STEEL
NC and NF ROUND SPLIT ADJUSTABLE DIES LEFT HAND HIGH SPEED STEEL
NC and NF HEX RETHREADING DIES RIGHT and LEFT HAND HIGH SPEED STEEL
METRIC RIGHT HAND ROUND DIES RIGHT HAND HIGH SPEED STEEL
METRIC HEX DIES RIGHT and LEFT HAND HIGH SPEED STEEL
METRIC ROUND DIES LEFT HAND HIGH SPEED STEEL
NPT, NPS and NH ROUND PIPE DIES RIGHT HAND HIGH SPEED STEEL
NPT and NPS HEX RETHREADING PIPE DIES RIGHT HAND HIGH SPEED STEEL
BSW and BSF TAPS and DIES RIGHT HAND HIGH SPEED STEEL 55º FULL FORM WHITWORTH
BRITISH ASSOCIATION TAPS and DIES RIGHT HAND HIGH SPEED STEEL 47½º FULL FORM THREAD
BSPP PARALLEL (STRAIGHT) PIPE TAPS RIGHT HAND HIGH SPEED STEEL BOTTOMING ONLY
BSPT BRITISH TAPER PIPE TAPS RIGHT HAND HIGH SPEED STEEL BOTTOMING ONLY
BSPP and BSPT BRITISH PIPE DIES ROUND and HEX RETHREADING DIES RIGHT HAND HIGH SPEED STEEL
BRITISH PIPE TAP DRILL SIZES

Reamers

STANDARD STRAIGHT SHANK STRAIGHT FLUTE CHUCKING REAMER DIMENSION
STRAIGHT SHANK STRAIGHT FLUTE CHUCKING REAMERS HIGH SPEED STEEL SPIRAL FLUTE HAND REAMERS
LEFT HAND SPIRAL RIGHT HAND CUT HIGH SPEED STEEL
CARBIDE TIPPED METRIC CHUCKING REAMERS
STRAIGHT SHANK STRAIGHT FLUTE
TAPER PIN REAMER
STRAIGHT SHANK 1/4" TAPER PER FOOT HIGH SPEED STEEL
METRIC TAPER PIN REAMERS
STRAIGHT SHANK STRAIGHT FLUTE 1 IN 50 TAPER HIGH SPEED STEEL
TAPER PIPE REAMERS
SPIRAL FLUTE REGULAR LENGTH HIGH SPEED STEEL
6" O/L TAPER PIPE REAMERS .
SPIRAL FLUTE HIGH SPEED STEEL
Tap Wrenches and Die Stocks
HEAVY DUTY ADJUSTABLE TAP WRENCHES
T HANDLE RATCHET TAP HOLDERS - LONG and SHORT STYLE DIE STOCKS
Walton TAP EXTRACTORS FOR MACHINE SCREW AND HAND TAPS
TAP EXTRACTOR SETS
PIPE TAP EXTRACTORS
STYLE "A" TAP EXTENSIONS
STYLE "B" TAP EXTENSIONS
METRIC TAP and DIE SETS RIGHT HAND HIGH SPEED STEEL
METRIC ROUND DIE SETS RIGHT HAND HIGH SPEED STEEL
METRIC TAP SETS RIGHT HAND HIGH SPEED STEEL
METRIC HEX SETS RIGHT HAND HIGH SPEED STEEL
NC and NF TAP and DIE SETS RIGHT HAND HIGH SPEED STEEL
NC and NF H.S.S. HEX RETHREADING DIE SETS RIGHT HAND HIGH SPEED STEEL
NC and NF H.S.S. ROUND DIE SETS RIGHT HAND HIGH SPEED STEEL
NPT and NPS PIPE TAP SETS BSPP and BSPT BRITISH PIPE TAP SETS RIGHT HAND HIGH SPEED STEEL
COMBINED PIPE TAP and PIPE REAMER SET HIGH SPEED STEEL
NPT HEX DIE SET HIGH SPEED STEEL
TAPER PIN REAMER SETS
STRAIGHT SHANK HIGH SPEED STEEL
EXPANDING HAND REAMER SETS
REAMER and SCREW-ON PILOT SETS
TYPE B33 EXPANDING HAND REAMERS, PILOTS, SPARE BLADES, SPARE NUTS and REAMER SETS HIGH SPEED STEEL BLADES
TYPE B47 EXPANDING HAND REAMERS, PILOTS, SPARE BLADES, SPARE NUTS and REAMER SETS HIGH SPEED STEEL BLADES



Website Information

SUGGESTIONS FOR THE USE OF T and J EXPANDING REAMERS
SUGGESTIONS FOR THE USE OF T and J SCREW-ON EXTENSION PILOTS
STANDARD TAP DIMENSIONS
TAP TOLERANCES
SPECIAL TAPS
STANDARD TAP DIMENSIONS
PITCH CONVERSIONS
THREAD CONSTANTS
METRIC THREAD CONSTANTS
TAP RECOMMENDATIONS FOR CLASSES OF THREAD
UNIFIED AND AMERICAN NATIONAL SCREW THREADS
BASIC THREAD DIMENSIONS USCTI .
STANDARD PIPE TAP DIMENSIONS
STRAIGHT AND TAPER, GROUND THREAD (REF. USCTI TABLE 311)
TAPER PIPE TAP, THREAD LIMITS, GROUND THREAD (REF. USCTI TABLE 338)
STANDARD SYSTEM OF TAP MARKING
THREAD FORM SYMBOLS
SPECIAL REAMERS

PULLEY TAP DIMENSIONS • GROUND THREAD

PULLEY TAP DIMENSIONS • GROUND THREAD

(Ref. MCTI Table 310)

Nominal	Tap Dimensions - Inches
Fractional	Overall	Thread	Neck	Square	Length of Shank	Shank	Size of
Diameter	Length	Length	Length	Length	Close Tol. Section	Diameter	Sqaure
Inches	L	l	l1	l2	l4	d1	a
1/4  (.2500)	6 ,8	1.00	.38	.31	1.50	.2550	.191
5/16  (.3125)	6, 8	1.13	.38	.38	1.56	.3180	.238
3/8  (.3750)	6, 8, 10	1.25	.38	.44	1.63	.3810	.286
7/16  (.4375)	6, 8	1.44	.44	.50	1.69	.4440	.333
1/2  (.5000)	6, 8, 10, 12	1.66	.50	.56	1.69	.5070	.380
5/8  (.6250)	6, 8, 10, 12	1.81	.63	.69	2.00	.6330	.475
3/4  (.7500)	10, 12	2.00	.75	.75	2.25	.7590	.569

Tolerances

Element	Size Range	Direction	Tolerance
Overall Length - L	1/4 to 3/4 inc.	Plus or Minus	.063
Thread Length - l	1/4 to 3/4 inc.	Plus or Minus	.063
Neck Length - l1	1/4 to 3/4 inc.	See Note - 1	See Note - 1
Square Length - l2	1/4 to 3/4 inc.	Plus or Minus	.031
Length of Shank (close tol) - l4	1/4 to 3/4 inc.	See Note - 2	See Note - 2
Shank Diameter - d1	1/4 to 3/4 inc.	Minus	.0050
Square of Shank - a	1/4 to 1/2 inc.	Minus	.004
	5/8 to 3/4 inc.	Minus	.006

Notes

1. L1 (Neck Length); neck and its length is optional with manufacturer
2. L4 (Length of Close Tolerance Shank) is minimum length which is held to eccentricity tolerances per Table 317.

General Notes

a)       These taps have an internal center in the thread end.

b)      These taps are made to the H3 limits shown in Table 327)

c)       For eccentricity tolerances of taps elements see table 317.

d)      d1 (Shank Diameter) is approximately the same as the maximum major diameter for that size.

e)       a1 (Size or Square) is equal to .75 X d1 to the nearest .001 inch.