tap - side view
- Threading -
The process of creating screw threads so that screws may be used to fasten objects together.

Taps are used to cut the female portion of the mating pair.
Dies are used to cut the male portion of the mating pair.
Choose a Threading Tool Category
TAPS
ACME TAPS
TANDEM STYLE page 221C
TANDEM STYLE - SPIRAL FLUTE page 221D
AUTOMOTIVE THREAD RESTORING TAPS
METRIC page 221A
STANDARD page 221A
EXTRACTORS
BROKEN TAP EXTRACTORS page 205B
HAND TAPS
CARBON STEEL
METRIC page 213
STANDARD page 213
HIGH SPEED STEEL
BRITISH STANDARD HAND page 212
EIGHT PITCH page 208
LEFT HAND page 207
LEFT HAND - METRIC page 211
METRIC page 210
METRIC - SPECIAL THREAD page 211
OVERSIZE page 207
SCREW THREAD INSERT (STI) page 215
SPECIAL THREAD page 209
STANDARD - TIN page 206
TEN PITCH page 208
SPECIAL TAPS page 209
SOLID CARBIDE
RIGHT HAND THREAD page 217B
LEFT HAND THREAD page 217B
RIGHT HAND THREAD - METRIC page 217C
LEFT HAND THREAD - METRIC page 217C
NUT TAPS
NUT TAPS page 219
PIPE TAPS
STRAIGHT THREAD page 222
TAPER THREAD page 222
INTERRUPTED THREAD page 222
CARBON STEEL
BRITISH STANDARD TAPER page 224
HIGH SPEED STEEL
BRITISH STANDARD PARALLEL page 223
BRITISH STANDARD TAPER page 223
DRYSEAL - NPTF - TIN page 222
INTERRUPTED THREAD page 222
Also known as Jumping Thread.
LEFT HAND page 223
LONG TAPER page 223
BRITISH (METRIC) STANDARD TAPER page 223
REGULAR TAPER - NPT - TIN page 222
STRAIGHT - NPS page 222
SOLID CARBIDE
TAPER - CNC page 217A
SPIRAL FLUTE TAPS
COBALT (CNC) page 220
FAST SPIRAL page 220
REGULAR SPIRAL page 220
SPIRAL POINT TAPS
COBALT (CNC) page 217
SOLID CARBIDE (CNC) page 217A
EXTENSION page 217
METRIC - PULLEY page 218
METRIC - TIN page 216
OVERSIZE +.005 page 217
PULLEY page 218
SCREW THREAD INSERT (STI) page 215
STANDARD - TIN page 216
THREAD FORMING page 221
THREADLOCK PLUG GAUGES
NUMBER SIZES page 221B
STANDARD page 221B
VALVE CORE TOOL
COMBINATION VALVE CORE TOOL page 251B
DIES
CONE DIES
CONE DIES
FRACTIONAL SIZES page 239C
NUMBER SIZES page 239C
CONE DIE HOLDERS
FRACTIONAL SIZES page 239C
NUMBER SIZES page 239C
HEX RETHREADING
HEX NUT DIAMETER
BRITISH STANDARD HAND page 232
LEFT HAND page 233
LEFT HAND - METRIC page 233
METRIC page 235
METRIC - SPECIAL THREAD page 235
PIPE - NPT page 233
SETS - HIGH SPEED STEEL page 236
SETS - TOOL STEEL page 240
SPECIAL THREAD page 234
STANDARD page 233
ACME THREAD
FRACTIONAL SIZES page 239D
AUTOMOTIVE DIAMETER
FRACTIONAL RIGHT HAND SIZES page 239B
FRACTIONAL LEFT HAND SIZES page 239B
METRIC RIGHT HAND SIZES page 239B
BEARING LOCKNUT
HIGH SPEED STEEL page 231B
CARBON STEEL page 231B
HEXAGON THREADING
Fractional - HSS page 238
Pipe - HSS page 238
Hex Nut Diameter - HSS page 239
HEXAGON (STANDARD DIAMETER)
METRIC page 235
PIPE - NPT page 222
PIPE - NPT - SOLID CARBIDE page 217A
SETS - HSS page 239
SETS - TOOL STEEL page 236
STANDARD page 240
ROUND
BRITISH STANDARD HAND page 232
LEFT HAND page 227
LEFT HAND - METRIC page 227
METRIC page 228
METRIC - SPECIAL THREAD page 229
PIPE - NPT page 231
PIPE - NPS page 231A
SPECIAL THREAD page 230
STANDARD page 226
SQUARE
SQUARE PIPE DIES - NPT page 239
SOLID SQUARE BOLT DIES page 239E
TWO PIECE
2 PIECE ADJUSTABE DIES page 239A
SCREW EXTRACTORS
Screw extractors are used to remove broken screws, bolts, studs, pipe, and lubrication fittings without damage to the threaded hole.
HELICAL FLUTE
Helical flutes are designed to firmly grip and remove right hand threaded screws or bolts.
Helical Flute - Round Shank page 204
STRAIGHT FLUTE
Designed with four sharp cutting edges to give a right or left hand positive gripping action without binding or chewing. They are preferred for soft metals and thin walled parts as they do not expand the part being removed.
Straight Flute - Round Shank page 204
Straight Flute - Straight Shank page 205
SETS
TAP SETS
BRITISH STANDARD PIPE TAP SETS page 224B
BRITISH STANDARD TAPER PIPE SETS page 223
INTERRUPTED THREAD PIPE TAP SETS page 224B
Also known as Jumping Thread.
LEFT HAND PIPE TAP SETS page 224B
STRAIGHT PIPE TAP SETS - NPS page 224
TAPER PIPE TAP SETS page 224B
TAPER PIPE TAP SETS - TiN COATED page 224B
HAND TAP SETS - 3PC page 206
HAND TAP SETS - TiN COATED - 3PC page 206
LEFT HAND TAP SETS - 3PC page 207
METRIC HAND TAP SETS - 3PC page 210
THREAD BOX AND TAP SETS page 251A
DIE SETS
HEXAGON THREADING DIE page 240
HEXAGON RETHREADING DIE page 236
HEXAGON RETHREADING PIPE DIE page 236
TAP & DIE SETS
TAP & HEX DIE SETS Tap/Hex Die Sets page
AUTOMOTIVE TAP & HEX DIE SETS page 245B
TAP & ROUND DIE SETS page 245
MINIATURE TAP AND ROUND DIE SETS
MACHINE SCREW LENGTH SIZES page 245C
30 piece High Speed Steel Machine Screw Size Miniature Tap and Die Sets are designed to be a professional general purpose tap and die set with all the most popular tap and die machine screw sizes (#0 to #4-40) for use by camera repair shops, clock repair shops, model builders, jewelry manufacturers, business machine repair, electronic equipment, mold and die makers, medical equipment repair, fishing lure manufacturers, and tongue and body piercing. Plastic case has individual compartments for tap and die storage and easy access.

METRIC SIZES page 245C
30 piece High Speed Steel Metric Size Miniature Tap and Die Sets are designed to be a professional general purpose tap and die set with all the most popular tap and die metric sizes (M1.00 to M2.50) for use by camera repair shops, clock repair shops, model builders, jewelry manufacturers, business machine repair, electronic equipment, mold and die makers, medical equipment repair, fishing lure manufacturers, and tongue and body piercing. Plastic case has individual compartments for tap and die storage and easy access.
TAP & DRILL SETS
TAP & DRILL SETS page 244
SCREW EXTRACTOR SETS
HELICAL FLUTE - ROUND SHANK page 205
STRAIGHT FLUTE - ROUND SHANK page 205
STRAIGHT FLUTE - STRAIGHT SHANK page 205
ACCESSORIES/OTHER
ADAPTERS - EXTENSIONS
HEXAGON DIE ADAPTERS page 248
TAP SHANK EXTENSIONS page 224A
COMBINED DRILL & TAP
METRIC page 214
STANDARD page 214
DIE STOCKS
THREE-SCREW TYPE page 248
THREE-SCREW TYPE (HEAVY DUTY) page 248
SOLID DIE CASTING page 248
DIE STOCK SCREWDRIVER page 248
HOLDERS
FLOATING ROUND DIE page 248
SCREW PITCH GAUGES
FRACTIONAL page 249
METRIC page 249
TAP GUIDE
TAP GUIDE page 249
TAP WRENCHES
OFFSET HANDLE page 249
STRAIGHT HANDLE page 249
T-HANDLE page 247