BXSTI | Thredfloer | Screw Thread Insert

Premium HSS STI forming taps for ferrous and non-ferrous materials

Tool Features

STI, Cold Forming, Coolant-Through, Blind, Screw Thread Insert, Bright, TiN, TiCN

Series BXSTI Overview

  • Premium high speed steel
  • Stocked Bright Finish
  • Forming tap eliminates chips by displacing material to create threads
  • Screw thread insert(STI) tap for helicoil threads
  • Spiral flute tap for blind holes
  • ANSI tap blank dimensions

Series Lineup

Thredfloer

Series BXM

Miniature Forming Tap

Miniature, Cold Forming, Coolant-Through, Blind, Bright, TiN, TiCN

P1

P2

P3

M1

N1

N2

Thredfloer

Series BXPT

Forming Pipe Tap

Pipe Tap, Cold Forming, Coolant-Through, Blind, Bright, TiN

P1

P2

P3

M1

N1

N2

Thredfloer

Series BXPS

Forming Pipe Tap

Pipe Tap, Cold Forming, Coolant-Through, Blind, Bright, TiN

P1

P2

P3

M1

N1

N2

Thredfloer

Series BXB

Forming Tap

2-2.5P, Cold Forming, Coolant-Through, Blind, Bright, TiN, TiCN

P1

P2

P3

M1

N1

N2

Thredfloer

Series BXOTL

Forming Tap

1-1.5P, Cold Forming, Coolant-Through, Blind, Bright, TiN, TiCN

P1

P2

P3

M1

N1

N2

Thredfloer

Series BXSTI

STI Forming Tap

STI, Cold Forming, Coolant-Through, Blind, Screw Thread Insert, Bright, TiN, TiCN

P1

P2

P3

M1

N1

N2

Thredfloer

Series BXIL

In-Line Forming Tap

Stub In-line, Cold Forming, Coolant-Through, Blind, Bright, TiN, TiCN

P1

P2

P3

M1

N1

N2

Thredfloer

Series BX3

Extended Forming Tap

Extended Length, Cold Forming, Coolant-Through, Blind, Long, Bright, TiN, TiCN

P1

P2

P3

M1

N1

N2

Thredfloer

Series BX4

Extended Forming Tap

Extended Length, Cold Forming, Coolant-Through, Blind, Long, Bright, TiN, TiCN

P1

P2

P3

M1

N1

N2

Thredfloer

Series BXP

Plug Forming Tap

4-4.5P, Cold Forming, Coolant-Through, Bright, TiN, TiCN

P1

P2

P3

M1

N1

N2

Thredfloer

Series BXS

Forming Tap

Powdered Metal, Cold Forming, Coolant-Through, Blind, TiCN

P1

P2

P3

M1

M2

N2

Thredfloer

Series BXHP

Forming Tap

Powdered Metal, Cold Forming, Coolant-Through, Blind, Bright

P1

P2

P3

M1

N1

N2

Thredfloer

Series BXDC

Forming Tap for Die Cast

Powdered Metal, Cold Forming, Coolant-Through, Blind, NF1

P1

P2

P3

N1

N2

Thredfloer

Series BXSS

Forming Tap

Powdered Metal, Cold Forming, Coolant-Through, Blind, TiN

P1

P2

P3

M1

M2

N2

Thredfloer

Series BXCI

Carbide Inserted Forming Tap

Inlaid Carbide, Cold Forming, Coolant-Through, Blind, Brazed Carbide-Tip, Bright

N1

N2

Thredfloer

Series BX6

Extended Forming Tap

Extended Length, Cold Forming, Coolant-Through, Blind, Extra Long, Bright, TiN, TiCN

P1

P2

P3

M1

N1

N2

Thredfloer

Series BXDIN

DIN Forming Tap

DIN, Cold Forming, Coolant-Through, Blind, Bright, TiN, TiCN

P1

P2

P3

M1

M2

N1

N2

Thredfloer

Series BXCID

Forming Tap

Inlaid Carbide, Cold Forming, Coolant-Through, Blind, Brazed Carbide-Tip, Bright

N1

N2


Work Materials

P1

P2

P3

M1

N1

N2

Product Offering

Part Number taps_thread_size pitch_classification taps_thread_limit taps_min_tap_drill_size taps_max_tap_drill_size taps_shank taps_square oal_in_display coating Stock List Price
10322-01C 2-56 UNC STI H2 0.100 0.102 .141 .110 1-15/16 TiCN 0 $58.41
10322-01T 2-56 UNC STI H2 0.100 0.102 .141 .110 1-15/16 TiN 0 $57.25
10322-01U 2-56 UNC STI H2 0.100 0.102 .141 .110 1-15/16 Super TiN 0 $57.90
10323-010 2-56 UNC STI H3 0.101 0.102 .141 .110 1-15/16 Bright 0 $53.92
10323-016 2-56 UNC STI H3 0.101 0.102 .141 .110 1-15/16 Nitride/Steam 0 $59.31
10323-01C 2-56 UNC STI H3 0.101 0.102 .141 .110 1-15/16 TiCN 0 $58.41
10323-01T 2-56 UNC STI H3 0.101 0.102 .141 .110 1-15/16 TiN 0 $57.25
10323-01U 2-56 UNC STI H3 0.101 0.102 .141 .110 1-15/16 Super TiN 3 $57.90
10842-010 4-40 UNC STI H2 0.131 0.134 .168 .131 2-1/8 Bright 245 $43.07
10842-016 4-40 UNC STI H2 0.131 0.134 .168 .131 2-1/8 Nitride/Steam 4 $47.38
10842-01C 4-40 UNC STI H2 0.131 0.134 .168 .131 2-1/8 TiCN 0 $49.45
10842-01T 4-40 UNC STI H2 0.131 0.134 .168 .131 2-1/8 TiN 0 $47.79
10842-01U 4-40 UNC STI H2 0.131 0.134 .168 .131 2-1/8 Super TiN 0 $48.44
10843-010 4-40 UNC STI H3 0.132 0.134 .168 .131 2-1/8 Bright 880 $43.07
10843-016 4-40 UNC STI H3 0.132 0.134 .168 .131 2-1/8 Nitride/Steam 12 $47.38
10843-01C 4-40 UNC STI H3 0.132 0.134 .168 .131 2-1/8 TiCN 14 $49.45
10843-01T 4-40 UNC STI H3 0.132 0.134 .168 .131 2-1/8 TiN 50 $47.79
10843-01U 4-40 UNC STI H3 0.132 0.134 .168 .131 2-1/8 Super TiN 55 $48.44
11402-010 6-32 UNC STI H2 0.162 0.165 .194 .152 2-3/8 Bright 148 $43.07
11402-016 6-32 UNC STI H2 0.162 0.165 .194 .152 2-3/8 Nitride/Steam 0 $47.38
11402-01C 6-32 UNC STI H2 0.162 0.165 .194 .152 2-3/8 TiCN 0 $49.45
11402-01T 6-32 UNC STI H2 0.162 0.165 .194 .152 2-3/8 TiN 13 $47.79
11402-01U 6-32 UNC STI H2 0.162 0.165 .194 .152 2-3/8 Super TiN 0 $48.44
11403-010 6-32 UNC STI H3 0.162 0.165 .194 .152 2-3/8 Bright 108 $43.07
11403-016 6-32 UNC STI H3 0.162 0.165 .194 .152 2-3/8 Nitride/Steam 0 $47.38
11403-01C 6-32 UNC STI H3 0.162 0.165 .194 .152 2-3/8 TiCN 0 $49.45
11403-01T 6-32 UNC STI H3 0.162 0.165 .194 .152 2-3/8 TiN 9 $47.79
11403-01U 6-32 UNC STI H3 0.162 0.165 .194 .152 2-3/8 Super TiN 18 $48.44
11742-010 8-32 UNC STI H2 0.188 0.191 .220 .165 2-3/8 Bright 244 $47.79
11742-016 8-32 UNC STI H2 0.188 0.191 .220 .165 2-3/8 Nitride/Steam 0 $52.57
11742-01C 8-32 UNC STI H2 0.188 0.191 .220 .165 2-3/8 TiCN 0 $57.25
11742-01T 8-32 UNC STI H2 0.188 0.191 .220 .165 2-3/8 TiN 1 $54.80
11742-01U 8-32 UNC STI H2 0.188 0.191 .220 .165 2-3/8 Super TiN 0 $55.45
11743-010 8-32 UNC STI H3 0.188 0.191 .220 .165 2-3/8 Bright 68 $47.79
11743-016 8-32 UNC STI H3 0.188 0.191 .220 .165 2-3/8 Nitride/Steam 0 $52.57
11743-01C 8-32 UNC STI H3 0.188 0.191 .220 .165 2-3/8 TiCN 0 $57.25
11743-01T 8-32 UNC STI H3 0.188 0.191 .220 .165 2-3/8 TiN 20 $54.80
11743-01U 8-32 UNC STI H3 0.188 0.191 .220 .165 2-3/8 Super TiN 0 $55.45
11744-010 8-32 UNC STI H4 0.189 0.192 .220 .165 2-3/8 Bright 297 $47.79
11744-01C 8-32 UNC STI H4 0.189 0.192 .220 .165 2-3/8 TiCN 34 $57.25
11744-01T 8-32 UNC STI H4 0.189 0.192 .220 .165 2-3/8 TiN 0 $54.80
11744-01U 8-32 UNC STI H4 0.189 0.192 .220 .165 2-3/8 Super TiN 2 $55.45
12082-010 10-24 UNC STI H2 0.221 0.226 .255 .191 2-1/2 Bright 44 $47.79
12083-010 10-24 UNC STI H3 0.222 0.226 .255 .191 2-1/2 Bright 118 $47.79
12083-016 10-24 UNC STI H3 0.222 0.226 .255 .191 2-1/2 Nitride/Steam 0 $52.57
12083-01C 10-24 UNC STI H3 0.222 0.226 .255 .191 2-1/2 TiCN 0 $57.25
12083-01T 10-24 UNC STI H3 0.222 0.226 .255 .191 2-1/2 TiN 0 $54.80
12083-01U 10-24 UNC STI H3 0.222 0.226 .255 .191 2-1/2 Super TiN 7 $55.45
12084-010 10-24 UNC STI H4 0.222 0.227 .255 .191 2-1/2 Bright 64 $47.79
12084-01T 10-24 UNC STI H4 0.222 0.227 .255 .191 2-1/2 TiN 0 $54.80
12084-01U 10-24 UNC STI H4 0.222 0.227 .255 .191 2-1/2 Super TiN 26 $55.45
12302-010 10-32 UNF STI H2 0.214 0.217 .255 .191 2-1/2 Bright 96 $47.79
12302-016 10-32 UNF STI H2 0.214 0.217 .255 .191 2-1/2 Nitride/Steam 0 $52.57
12302-01C 10-32 UNF STI H2 0.214 0.217 .255 .191 2-1/2 TiCN 0 $57.25
12302-01T 10-32 UNF STI H2 0.214 0.217 .255 .191 2-1/2 TiN 27 $54.80
12302-01U 10-32 UNF STI H2 0.214 0.217 .255 .191 2-1/2 Super TiN 0 $55.45
12303-010 10-32 UNF STI H3 0.214 0.217 .255 .191 2-1/2 Bright 425 $47.79
12303-016 10-32 UNF STI H3 0.214 0.217 .255 .191 2-1/2 Nitride/Steam 0 $52.57
12303-01C 10-32 UNF STI H3 0.214 0.217 .255 .191 2-1/2 TiCN 0 $57.25
12303-01T 10-32 UNF STI H3 0.214 0.217 .255 .191 2-1/2 TiN 11 $54.80
12303-01U 10-32 UNF STI H3 0.214 0.217 .255 .191 2-1/2 Super TiN 2 $55.45
12304-010 10-32 UNF STI H4 0.215 0.218 .255 .191 2-1/2 Bright 53 $47.79
12304-016 10-32 UNF STI H4 0.215 0.218 .255 .191 2-1/2 Nitride/Steam 0 $52.57
12304-01C 10-32 UNF STI H4 0.215 0.218 .255 .191 2-1/2 TiCN 0 $57.25
12304-01T 10-32 UNF STI H4 0.215 0.218 .255 .191 2-1/2 TiN 0 $54.80
12304-01U 10-32 UNF STI H4 0.215 0.218 .255 .191 2-1/2 Super TiN 0 $55.45
12762-010 1/4-20 UNC STI H2 0.288 0.293 .318 .238 2-23/32 Bright 5 $51.03
12762-01T 1/4-20 UNC STI H2 0.288 0.293 .318 .238 2-23/32 TiN 0 $59.52
12762-01U 1/4-20 UNC STI H2 0.288 0.293 .318 .238 2-23/32 Super TiN 0 $60.17
12763-010 1/4-20 UNC STI H3 0.288 0.293 .318 .238 2-23/32 Bright 419 $51.03
12763-016 1/4-20 UNC STI H3 0.288 0.293 .318 .238 2-23/32 Nitride/Steam 0 $56.13
12763-01C 1/4-20 UNC STI H3 0.288 0.293 .318 .238 2-23/32 TiCN 12 $62.51
12763-01T 1/4-20 UNC STI H3 0.288 0.293 .318 .238 2-23/32 TiN 0 $59.52
12763-01U 1/4-20 UNC STI H3 0.288 0.293 .318 .238 2-23/32 Super TiN 0 $60.17
12764-010 1/4-20 UNC STI H4 0.289 0.294 .318 .238 2-23/32 Bright 91 $51.03
12764-016 1/4-20 UNC STI H4 0.289 0.294 .318 .238 2-23/32 Nitride/Steam 0 $56.13
12764-01C 1/4-20 UNC STI H4 0.289 0.294 .318 .238 2-23/32 TiCN 0 $62.51
12764-01T 1/4-20 UNC STI H4 0.289 0.294 .318 .238 2-23/32 TiN 0 $59.52
12764-01U 1/4-20 UNC STI H4 0.289 0.294 .318 .238 2-23/32 Super TiN 27 $60.17
12982-010 1/4-28 UNF STI H2 0.277 0.281 .318 .238 2-23/32 Bright 59 $51.03
12982-016 1/4-28 UNF STI H2 0.277 0.281 .318 .238 2-23/32 Nitride/Steam 0 $56.13
12982-01C 1/4-28 UNF STI H2 0.277 0.281 .318 .238 2-23/32 TiCN 0 $62.51
12982-01T 1/4-28 UNF STI H2 0.277 0.281 .318 .238 2-23/32 TiN 0 $59.52
12983-010 1/4-28 UNF STI H3 0.278 0.281 .318 .238 2-23/32 Bright 4 $51.03
12983-016 1/4-28 UNF STI H3 0.278 0.281 .318 .238 2-23/32 Nitride/Steam 0 $56.13
12983-01C 1/4-28 UNF STI H3 0.278 0.281 .318 .238 2-23/32 TiCN 0 $62.51
12983-01T 1/4-28 UNF STI H3 0.278 0.281 .318 .238 2-23/32 TiN 0 $59.52
12983-01U 1/4-28 UNF STI H3 0.278 0.281 .318 .238 2-23/32 Super TiN 0 $60.17
12984-010 1/4-28 UNF STI H4 0.278 0.282 .318 .238 2-23/32 Bright 43 $51.03
12984-01C 1/4-28 UNF STI H4 0.278 0.282 .318 .238 2-23/32 TiCN 0 $62.51
12984-01T 1/4-28 UNF STI H4 0.278 0.282 .318 .238 2-23/32 TiN 0 $59.52
12984-01U 1/4-28 UNF STI H4 0.278 0.282 .318 .238 2-23/32 Super TiN 0 $60.17
13183-000 5/16-18 UNC STI H3 0.355 0.360 .323 .242 3-5/32 Bright 41 $60.95
13183-00T 5/16-18 UNC STI H3 0.355 0.360 .323 .242 3-5/32 TiN 0 $72.07
13183-00U 5/16-18 UNC STI H3 0.355 0.360 .323 .242 3-5/32 Super TiN 9 $73.37
13184-000 5/16-18 UNC STI H4 0.355 0.361 .323 .242 3-5/32 Bright 20 $60.95
13184-00T 5/16-18 UNC STI H4 0.355 0.361 .323 .242 3-5/32 TiN 0 $72.07
13184-00U 5/16-18 UNC STI H4 0.355 0.361 .323 .242 3-5/32 Super TiN 2 $73.31
13185-000 5/16-18 UNC STI H5 0.356 0.361 .323 .242 3-5/32 Bright 33 $60.95
13185-00C 5/16-18 UNC STI H5 0.356 0.361 .323 .242 3-5/32 TiCN 0 $75.96
13185-00T 5/16-18 UNC STI H5 0.356 0.361 .323 .242 3-5/32 TiN 0 $72.07
13185-00U 5/16-18 UNC STI H5 0.356 0.361 .323 .242 3-5/32 Super TiN 9 $73.37
13543-000 3/8-16 UNC STI H3 0.422 0.428 .367 .275 3-3/8 Bright 52 $78.26
13543-00C 3/8-16 UNC STI H3 0.422 0.428 .367 .275 3-3/8 TiCN 0 $93.27
13543-00T 3/8-16 UNC STI H3 0.422 0.428 .367 .275 3-3/8 TiN 0 $89.38
13543-00U 3/8-16 UNC STI H3 0.422 0.428 .367 .275 3-3/8 Super TiN 4 $90.69
13544-000 3/8-16 UNC STI H4 0.423 0.429 .367 .275 3-3/8 Bright 36 $78.26
13545-000 3/8-16 UNC STI H5 0.423 0.429 .367 .275 3-3/8 Bright 31 $78.26
13545-006 3/8-16 UNC STI H5 0.423 0.429 .367 .275 3-3/8 Nitride/Steam 0 $86.10
13545-00T 3/8-16 UNC STI H5 0.423 0.429 .367 .275 3-3/8 TiN 0 $89.38
13545-00U 3/8-16 UNC STI H5 0.423 0.429 .367 .275 3-3/8 Super TiN 6 $90.69
17342-010 M2 x 0.4 M STI D2 0.091 0.093 .141 .110 1-7/8 Bright 5 $53.92
17342-01T M2 x 0.4 M STI D2 0.091 0.093 .141 .110 1-7/8 TiN 30 $57.25
17343-010 M2 x 0.4 M STI D3 0.092 0.093 .141 .110 1-7/8 Bright 122 $53.92
17343-01T M2 x 0.4 M STI D3 0.092 0.093 .141 .110 1-7/8 TiN 0 $57.25
17343-01U M2 x 0.4 M STI D3 0.092 0.093 .141 .110 1-7/8 Super TiN 4 $57.90
17482-010 M2.5 x 0.45 M STI D2 0.112 0.114 .141 .110 1-15/16 Bright 136 $53.92
17482-01T M2.5 x 0.45 M STI D2 0.112 0.114 .141 .110 1-15/16 TiN 0 $57.25
17483-010 M2.5 x 0.45 M STI D3 0.113 0.115 .141 .110 1-15/16 Bright 201 $53.92
17483-016 M2.5 x 0.45 M STI D3 0.113 0.115 .141 .110 1-15/16 Nitride/Steam 0 $59.31
17483-01C M2.5 x 0.45 M STI D3 0.113 0.115 .141 .110 1-15/16 TiCN 0 $58.41
17483-01T M2.5 x 0.45 M STI D3 0.113 0.115 .141 .110 1-15/16 TiN 0 $57.25
17483-01U M2.5 x 0.45 M STI D3 0.113 0.115 .141 .110 1-15/16 Super TiN 0 $57.90
17662-010 M3 x 0.5 M STI D2 0.133 0.135 .168 .131 2-1/8 Bright 173 $43.07
17662-01C M3 x 0.5 M STI D2 0.133 0.135 .168 .131 2-1/8 TiCN 0 $49.45
17662-01T M3 x 0.5 M STI D2 0.133 0.135 .168 .131 2-1/8 TiN 0 $47.79
17662-01U M3 x 0.5 M STI D2 0.133 0.135 .168 .131 2-1/8 Super TiN 0 $48.44
17663-010 M3 x 0.5 M STI D3 0.134 0.136 .168 .131 2-1/8 Bright 164 $43.07
17663-016 M3 x 0.5 M STI D3 0.134 0.136 .168 .131 2-1/8 Nitride/Steam 0 $47.38
17663-01T M3 x 0.5 M STI D3 0.134 0.136 .168 .131 2-1/8 TiN 47 $47.79
17663-01U M3 x 0.5 M STI D3 0.134 0.136 .168 .131 2-1/8 Super TiN 0 $48.44
17863-010 M3.5 x 0.6 M STI D3 0.156 0.159 .194 .152 2-3/8 Bright 27 $43.07
17864-010 M3.5 x 0.6 M STI D4 0.157 0.159 .194 .152 2-3/8 Bright 20 $43.07
18063-010 M4 x 0.7 M STI D3 0.179 0.182 .194 .152 2-3/8 Bright 76 $43.07
18063-016 M4 x 0.7 M STI D3 0.179 0.182 .194 .152 2-3/8 Nitride/Steam 0 $47.38
18063-01T M4 x 0.7 M STI D3 0.179 0.182 .194 .152 2-3/8 TiN 0 $47.79
18063-01U M4 x 0.7 M STI D3 0.179 0.182 .194 .152 2-3/8 Super TiN 19 $48.44
18064-010 M4 x 0.7 M STI D4 0.180 0.182 .194 .152 2-3/8 Bright 198 $43.07
18064-01T M4 x 0.7 M STI D4 0.180 0.182 .194 .152 2-3/8 TiN 85 $47.79
18064-01U M4 x 0.7 M STI D4 0.180 0.182 .194 .152 2-3/8 Super TiN 11 $48.44
18263-010 M5 x 0.8 M STI D3 0.221 0.224 .255 .191 2-1/2 Bright 86 $47.79
18263-016 M5 x 0.8 M STI D3 0.221 0.224 .255 .191 2-1/2 Nitride/Steam 0 $52.57
18263-01T M5 x 0.8 M STI D3 0.221 0.224 .255 .191 2-1/2 TiN 1 $54.80
18263-01U M5 x 0.8 M STI D3 0.221 0.224 .255 .191 2-1/2 Super TiN 27 $55.45
18264-010 M5 x 0.8 M STI D4 0.222 0.225 .255 .191 2-1/2 Bright 95 $47.79
18264-01C M5 x 0.8 M STI D4 0.222 0.225 .255 .191 2-1/2 TiCN 0 $57.25
18264-01T M5 x 0.8 M STI D4 0.222 0.225 .255 .191 2-1/2 TiN 0 $54.80
18264-01U M5 x 0.8 M STI D4 0.222 0.225 .255 .191 2-1/2 Super TiN 0 $55.45
18464-010 M6 x 1.0 M STI D4 0.267 0.271 .318 .238 2-23/32 Bright 203 $51.03
18464-016 M6 x 1.0 M STI D4 0.267 0.271 .318 .238 2-23/32 Nitride/Steam 0 $56.13
18464-01T M6 x 1.0 M STI D4 0.267 0.271 .318 .238 2-23/32 TiN 9 $59.52
18464-01U M6 x 1.0 M STI D4 0.267 0.271 .318 .238 2-23/32 Super TiN 1 $60.17
18465-010 M6 x 1.0 M STI D5 0.267 0.271 .318 .238 2-23/32 Bright 124 $51.03
18465-01T M6 x 1.0 M STI D5 0.267 0.271 .318 .238 2-23/32 TiN 0 $59.52
18465-01U M6 x 1.0 M STI D5 0.267 0.271 .318 .238 2-23/32 Super TiN 0 $60.17
18665-010 M8 x 1.25 M STI D5 0.353 0.358 .381 .286 2-15/16 Bright 0 $60.95
18665-01T M8 x 1.25 M STI D5 0.353 0.358 .381 .286 2-15/16 TiN 0 $69.45
18665-01U M8 x 1.25 M STI D5 0.353 0.358 .381 .286 2-15/16 Super TiN 6 $70.11
18666-010 M8 x 1.25 M STI D6 0.354 0.359 .381 .286 2-15/16 Bright 46 $60.95
18666-01T M8 x 1.25 M STI D6 0.354 0.359 .381 .286 2-15/16 TiN 0 $69.45
18666-01U M8 x 1.25 M STI D6 0.354 0.359 .381 .286 2-15/16 Super TiN 0 $70.11