BXSTI | Thredfloer | Screw Thread Insert

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

Tool Features

STI, Cold Forming, Thru, 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

Advanced Performance

Thredfloer

Series BXCID

Forming Tap

Inlaid Carbide, Cold Forming, Thru, Blind, Brazed Carbide-Tip, Bright

N1

N2

Advanced Performance

Thredfloer

Series BXDIN

DIN Forming Tap

DIN, Cold Forming, Thru, Blind, Bright, TiN, TiCN

P1

P2

P3

M1

M2

N1

N2

Advanced Performance

Thredfloer

Series BX6

Extended Forming Tap

Extended Length, Cold Forming, Thru, Blind, Extra Long, Bright, TiN, TiCN

P1

P2

P3

M1

N1

N2

Advanced Performance

Thredfloer

Series BXCI

Carbide Inserted Forming Tap

Inlaid Carbide, Cold Forming, Thru, Blind, Brazed Carbide-Tip, Bright

N1

N2

Advanced Performance

Thredfloer

Series BXSS

Forming Tap

Powdered Metal, Cold Forming, Thru, Blind, TiN

P1

P2

P3

M1

M2

N2

Advanced Performance

Thredfloer

Series BXDC

Forming Tap for Die Cast

Powdered Metal, Cold Forming, Thru, Blind, NF1

P1

P2

P3

N1

N2

Advanced Performance

Thredfloer

Series BXHP

Forming Tap

Powdered Metal, Cold Forming, Thru, Blind, Bright

P1

P2

P3

M1

N1

N2

Advanced Performance

Thredfloer

Series BXS

Forming Tap

Powdered Metal, Cold Forming, Thru, Blind, TiCN

P1

P2

P3

M1

M2

N2

Advanced Performance

Thredfloer

Series BXP

Plug Forming Tap

4-4.5P, Cold Forming, Thru, Bright, TiN, TiCN

P1

P2

P3

M1

N1

N2

Advanced Performance

Thredfloer

Series BX4

Extended Forming Tap

Extended Length, Cold Forming, Thru, Blind, Long, Bright, TiN, TiCN

P1

P2

P3

M1

N1

N2

Advanced Performance

Thredfloer

Series BX3

Extended Forming Tap

Extended Length, Cold Forming, Thru, Blind, Long, Bright, TiN, TiCN

P1

P2

P3

M1

N1

N2

Advanced Performance

Thredfloer

Series BXIL

In-Line Forming Tap

Stub In-line, Cold Forming, Thru, Blind, Bright, TiN, TiCN

P1

P2

P3

M1

N1

N2

Advanced Performance

Thredfloer

Series BXSTI

STI Forming Tap

STI, Cold Forming, Thru, Blind, Screw Thread Insert, Bright, TiN, TiCN

P1

P2

P3

M1

N1

N2

Advanced Performance

Thredfloer

Series BXOTL

Forming Tap

1-1.5P, Cold Forming, Thru, Blind, Bright, TiN, TiCN

P1

P2

P3

M1

N1

N2

Advanced Performance

Thredfloer

Series BXB

Forming Tap

2-2.5P, Cold Forming, Thru, Blind, Bright, TiN, TiCN

P1

P2

P3

M1

N1

N2

Advanced Performance

Thredfloer

Series BXPS

Forming Pipe Tap

Pipe Tap, Cold Forming, Thru, Blind, Bright, TiN

P1

P2

P3

M1

N1

N2

Advanced Performance

Thredfloer

Series BXPT

Forming Pipe Tap

Pipe Tap, Cold Forming, Thru, Blind, Bright, TiN

P1

P2

P3

M1

N1

N2

Advanced Performance

Thredfloer

Series BXM

Miniature Forming Tap

Miniature, Cold Forming, Thru, Blind, Bright, TiN, TiCN

P1

P2

P3

M1

N1

N2

Advanced Performance

Thredfloer

Smart Cut Fluid

Tapping Oil

Advanced Performance

Thredfloer

Series 4221

PCD Double-Angle Drill

2FL, 22° Helix, 8-Facet, h6, PCD

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
10322-010 2-56 UNC STI H2 0.100 0.102 .141 .110 1-15/16 Bright 315 $53.92
10322-016 2-56 UNC STI H2 0.100 0.102 .141 .110 1-15/16 Nitride/Steam 2 Days $59.31
10322-01C 2-56 UNC STI H2 0.100 0.102 .141 .110 1-15/16 TiCN 5 Days $58.41
10322-01T 2-56 UNC STI H2 0.100 0.102 .141 .110 1-15/16 TiN 38 $57.25
10322-01U 2-56 UNC STI H2 0.100 0.102 .141 .110 1-15/16 Super TiN 5 Days $57.90
10323-010 2-56 UNC STI H3 0.101 0.102 .141 .110 1-15/16 Bright 35 $53.92
10323-016 2-56 UNC STI H3 0.101 0.102 .141 .110 1-15/16 Nitride/Steam 2 Days $59.31
10323-01C 2-56 UNC STI H3 0.101 0.102 .141 .110 1-15/16 TiCN 5 Days $58.41
10323-01T 2-56 UNC STI H3 0.101 0.102 .141 .110 1-15/16 TiN 5 Days $57.25
10323-01U 2-56 UNC STI H3 0.101 0.102 .141 .110 1-15/16 Super TiN 64 $57.90
10842-010 4-40 UNC STI H2 0.131 0.134 .168 .131 2-1/8 Bright 224 $43.07
10842-016 4-40 UNC STI H2 0.131 0.134 .168 .131 2-1/8 Nitride/Steam 2 $47.38
10842-01C 4-40 UNC STI H2 0.131 0.134 .168 .131 2-1/8 TiCN 5 Days $49.45
10842-01T 4-40 UNC STI H2 0.131 0.134 .168 .131 2-1/8 TiN 40 $47.79
10842-01U 4-40 UNC STI H2 0.131 0.134 .168 .131 2-1/8 Super TiN 5 Days $48.44
10843-010 4-40 UNC STI H3 0.132 0.134 .168 .131 2-1/8 Bright 151 $43.07
10843-016 4-40 UNC STI H3 0.132 0.134 .168 .131 2-1/8 Nitride/Steam 10 $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 42 $47.79
10843-01U 4-40 UNC STI H3 0.132 0.134 .168 .131 2-1/8 Super TiN 26 $48.44
11402-010 6-32 UNC STI H2 0.162 0.165 .194 .152 2-3/8 Bright 119 $43.07
11402-016 6-32 UNC STI H2 0.162 0.165 .194 .152 2-3/8 Nitride/Steam 2 Days $47.38
11402-01C 6-32 UNC STI H2 0.162 0.165 .194 .152 2-3/8 TiCN 5 Days $49.45
11402-01T 6-32 UNC STI H2 0.162 0.165 .194 .152 2-3/8 TiN 19 $47.79
11402-01U 6-32 UNC STI H2 0.162 0.165 .194 .152 2-3/8 Super TiN 5 Days $48.44
11403-010 6-32 UNC STI H3 0.162 0.165 .194 .152 2-3/8 Bright 6 Wks $43.07
11403-016 6-32 UNC STI H3 0.162 0.165 .194 .152 2-3/8 Nitride/Steam 6 Wks $47.38
11403-01C 6-32 UNC STI H3 0.162 0.165 .194 .152 2-3/8 TiCN 24 $49.45
11403-01T 6-32 UNC STI H3 0.162 0.165 .194 .152 2-3/8 TiN 32 $47.79
11403-01U 6-32 UNC STI H3 0.162 0.165 .194 .152 2-3/8 Super TiN 5 $48.44
11742-010 8-32 UNC STI H2 0.188 0.191 .220 .165 2-3/8 Bright 269 $47.79
11742-016 8-32 UNC STI H2 0.188 0.191 .220 .165 2-3/8 Nitride/Steam 2 Days $52.57
11742-01C 8-32 UNC STI H2 0.188 0.191 .220 .165 2-3/8 TiCN 5 Days $57.25
11742-01T 8-32 UNC STI H2 0.188 0.191 .220 .165 2-3/8 TiN 22 $54.80
11742-01U 8-32 UNC STI H2 0.188 0.191 .220 .165 2-3/8 Super TiN 5 Days $55.45
11743-010 8-32 UNC STI H3 0.188 0.191 .220 .165 2-3/8 Bright 53 $47.79
11743-016 8-32 UNC STI H3 0.188 0.191 .220 .165 2-3/8 Nitride/Steam 2 Days $52.57
11743-01C 8-32 UNC STI H3 0.188 0.191 .220 .165 2-3/8 TiCN 5 Days $57.25
11743-01T 8-32 UNC STI H3 0.188 0.191 .220 .165 2-3/8 TiN 10 $54.80
11743-01U 8-32 UNC STI H3 0.188 0.191 .220 .165 2-3/8 Super TiN 12 $55.45
11744-010 8-32 UNC STI H4 0.189 0.192 .220 .165 2-3/8 Bright 266 $47.79
11744-01C 8-32 UNC STI H4 0.189 0.192 .220 .165 2-3/8 TiCN 30 $57.25
11744-01T 8-32 UNC STI H4 0.189 0.192 .220 .165 2-3/8 TiN 5 Days $54.80
11744-01U 8-32 UNC STI H4 0.189 0.192 .220 .165 2-3/8 Super TiN 5 Days $55.45
12082-010 10-24 UNC STI H2 0.221 0.226 .255 .191 2-1/2 Bright 31 $47.79
12083-010 10-24 UNC STI H3 0.222 0.226 .255 .191 2-1/2 Bright 33 $47.79
12083-016 10-24 UNC STI H3 0.222 0.226 .255 .191 2-1/2 Nitride/Steam 2 Days $52.57
12083-01C 10-24 UNC STI H3 0.222 0.226 .255 .191 2-1/2 TiCN 5 Days $57.25
12083-01T 10-24 UNC STI H3 0.222 0.226 .255 .191 2-1/2 TiN 5 Days $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 42 $47.79
12084-01T 10-24 UNC STI H4 0.222 0.227 .255 .191 2-1/2 TiN 5 Days $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 101 $47.79
12302-016 10-32 UNF STI H2 0.214 0.217 .255 .191 2-1/2 Nitride/Steam 2 Days $52.57
12302-01C 10-32 UNF STI H2 0.214 0.217 .255 .191 2-1/2 TiCN 5 Days $57.25
12302-01T 10-32 UNF STI H2 0.214 0.217 .255 .191 2-1/2 TiN 13 $54.80
12302-01U 10-32 UNF STI H2 0.214 0.217 .255 .191 2-1/2 Super TiN 5 Days $55.45
12303-010 10-32 UNF STI H3 0.214 0.217 .255 .191 2-1/2 Bright 19 $47.79
12303-016 10-32 UNF STI H3 0.214 0.217 .255 .191 2-1/2 Nitride/Steam 2 Days $52.57
12303-01C 10-32 UNF STI H3 0.214 0.217 .255 .191 2-1/2 TiCN 5 Days $57.25
12303-01T 10-32 UNF STI H3 0.214 0.217 .255 .191 2-1/2 TiN 12 $54.80
12303-01U 10-32 UNF STI H3 0.214 0.217 .255 .191 2-1/2 Super TiN 21 $55.45
12304-010 10-32 UNF STI H4 0.215 0.218 .255 .191 2-1/2 Bright 6 Wks $47.79
12304-016 10-32 UNF STI H4 0.215 0.218 .255 .191 2-1/2 Nitride/Steam 6 Wks $52.57
12304-01C 10-32 UNF STI H4 0.215 0.218 .255 .191 2-1/2 TiCN 6 Wks $57.25
12304-01T 10-32 UNF STI H4 0.215 0.218 .255 .191 2-1/2 TiN 6 Wks $54.80
12304-01U 10-32 UNF STI H4 0.215 0.218 .255 .191 2-1/2 Super TiN 4 $55.45
12762-010 1/4-20 UNC STI H2 0.288 0.293 .318 .238 2-23/32 Bright 1 $51.03
12762-01T 1/4-20 UNC STI H2 0.288 0.293 .318 .238 2-23/32 TiN 5 Days $59.52
12762-01U 1/4-20 UNC STI H2 0.288 0.293 .318 .238 2-23/32 Super TiN 5 Days $60.17
12763-010 1/4-20 UNC STI H3 0.288 0.293 .318 .238 2-23/32 Bright 187 $51.03
12763-016 1/4-20 UNC STI H3 0.288 0.293 .318 .238 2-23/32 Nitride/Steam 2 Days $56.13
12763-01C 1/4-20 UNC STI H3 0.288 0.293 .318 .238 2-23/32 TiCN 29 $62.51
12763-01T 1/4-20 UNC STI H3 0.288 0.293 .318 .238 2-23/32 TiN 5 Days $59.52
12763-01U 1/4-20 UNC STI H3 0.288 0.293 .318 .238 2-23/32 Super TiN 5 Days $60.17
12764-010 1/4-20 UNC STI H4 0.289 0.294 .318 .238 2-23/32 Bright 56 $51.03
12764-016 1/4-20 UNC STI H4 0.289 0.294 .318 .238 2-23/32 Nitride/Steam 2 Days $56.13
12764-01C 1/4-20 UNC STI H4 0.289 0.294 .318 .238 2-23/32 TiCN 5 Days $62.51
12764-01T 1/4-20 UNC STI H4 0.289 0.294 .318 .238 2-23/32 TiN 5 Days $59.52
12764-01U 1/4-20 UNC STI H4 0.289 0.294 .318 .238 2-23/32 Super TiN 16 $60.17
12982-010 1/4-28 UNF STI H2 0.277 0.281 .318 .238 2-23/32 Bright 27 $51.03
12982-016 1/4-28 UNF STI H2 0.277 0.281 .318 .238 2-23/32 Nitride/Steam 2 Days $56.13
12982-01C 1/4-28 UNF STI H2 0.277 0.281 .318 .238 2-23/32 TiCN 5 Days $62.51
12982-01T 1/4-28 UNF STI H2 0.277 0.281 .318 .238 2-23/32 TiN 5 Days $59.52
12983-010 1/4-28 UNF STI H3 0.278 0.281 .318 .238 2-23/32 Bright 51 $51.03
12983-016 1/4-28 UNF STI H3 0.278 0.281 .318 .238 2-23/32 Nitride/Steam 2 Days $56.13
12983-01C 1/4-28 UNF STI H3 0.278 0.281 .318 .238 2-23/32 TiCN 5 Days $62.51
12983-01T 1/4-28 UNF STI H3 0.278 0.281 .318 .238 2-23/32 TiN 5 Days $59.52
12983-01U 1/4-28 UNF STI H3 0.278 0.281 .318 .238 2-23/32 Super TiN 5 Days $60.17
12984-010 1/4-28 UNF STI H4 0.278 0.282 .318 .238 2-23/32 Bright 21 $51.03
12984-01C 1/4-28 UNF STI H4 0.278 0.282 .318 .238 2-23/32 TiCN 5 Days $62.51
12984-01T 1/4-28 UNF STI H4 0.278 0.282 .318 .238 2-23/32 TiN 5 Days $59.52
12984-01U 1/4-28 UNF STI H4 0.278 0.282 .318 .238 2-23/32 Super TiN 5 Days $60.17
13183-000 5/16-18 UNC STI H3 0.355 0.360 .323 .242 3-5/32 Bright 9 $60.95
13183-00T 5/16-18 UNC STI H3 0.355 0.360 .323 .242 3-5/32 TiN 5 Days $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 5 Days $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 29 $60.95
13185-00C 5/16-18 UNC STI H5 0.356 0.361 .323 .242 3-5/32 TiCN 5 Days $75.96
13185-00T 5/16-18 UNC STI H5 0.356 0.361 .323 .242 3-5/32 TiN 5 Days $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 39 $78.26
13543-00C 3/8-16 UNC STI H3 0.422 0.428 .367 .275 3-3/8 TiCN 5 Days $93.27
13543-00T 3/8-16 UNC STI H3 0.422 0.428 .367 .275 3-3/8 TiN 5 Days $89.38
13543-00U 3/8-16 UNC STI H3 0.422 0.428 .367 .275 3-3/8 Super TiN 10 $90.69
13544-000 3/8-16 UNC STI H4 0.423 0.429 .367 .275 3-3/8 Bright 4 $78.26
13545-000 3/8-16 UNC STI H5 0.423 0.429 .367 .275 3-3/8 Bright 19 $78.26
13545-006 3/8-16 UNC STI H5 0.423 0.429 .367 .275 3-3/8 Nitride/Steam 2 Days $86.10
13545-00T 3/8-16 UNC STI H5 0.423 0.429 .367 .275 3-3/8 TiN 5 Days $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 Bright 35 $53.92
17342-01T M2 x 0.4 M STI D2 0.091 0.093 .141 .110 TiN 28 $57.25
17343-010 M2 x 0.4 M STI D3 0.092 0.093 .141 .110 Bright 149 $53.92
17343-01T M2 x 0.4 M STI D3 0.092 0.093 .141 .110 TiN 5 Days $57.25
17343-01U M2 x 0.4 M STI D3 0.092 0.093 .141 .110 Super TiN 14 $57.90
17482-010 M2.5 x 0.45 M STI D2 0.112 0.114 .141 .110 Bright 104 $53.92
17482-01T M2.5 x 0.45 M STI D2 0.112 0.114 .141 .110 TiN 5 Days $57.25
17483-010 M2.5 x 0.45 M STI D3 0.113 0.115 .141 .110 Bright 103 $53.92
17483-016 M2.5 x 0.45 M STI D3 0.113 0.115 .141 .110 Nitride/Steam 2 Days $59.31
17483-01C M2.5 x 0.45 M STI D3 0.113 0.115 .141 .110 TiCN 5 Days $58.41
17483-01T M2.5 x 0.45 M STI D3 0.113 0.115 .141 .110 TiN 5 Days $57.25
17483-01U M2.5 x 0.45 M STI D3 0.113 0.115 .141 .110 Super TiN 5 Days $57.90
17662-010 M3 x 0.5 M STI D2 0.133 0.135 .168 .131 Bright 159 $43.07
17662-01C M3 x 0.5 M STI D2 0.133 0.135 .168 .131 TiCN 5 Days $49.45
17662-01T M3 x 0.5 M STI D2 0.133 0.135 .168 .131 TiN 5 Days $47.79
17662-01U M3 x 0.5 M STI D2 0.133 0.135 .168 .131 Super TiN 5 Days $48.44
17663-010 M3 x 0.5 M STI D3 0.134 0.136 .168 .131 Bright 333 $43.07
17663-016 M3 x 0.5 M STI D3 0.134 0.136 .168 .131 Nitride/Steam 2 Days $47.38
17663-01T M3 x 0.5 M STI D3 0.134 0.136 .168 .131 TiN 60 $47.79
17663-01U M3 x 0.5 M STI D3 0.134 0.136 .168 .131 Super TiN 5 Days $48.44
17863-010 M3.5 x 0.6 M STI D3 0.156 0.159 .194 .152 Bright 15 $43.07
17864-010 M3.5 x 0.6 M STI D4 0.157 0.159 .194 .152 Bright 20 $43.07
18063-010 M4 x 0.7 M STI D3 0.179 0.182 .194 .152 Bright 24 $43.07
18063-016 M4 x 0.7 M STI D3 0.179 0.182 .194 .152 Nitride/Steam 2 Days $47.38
18063-01T M4 x 0.7 M STI D3 0.179 0.182 .194 .152 TiN 11 $47.79
18063-01U M4 x 0.7 M STI D3 0.179 0.182 .194 .152 Super TiN 19 $48.44
18064-010 M4 x 0.7 M STI D4 0.180 0.182 .194 .152 Bright 232 $43.07
18064-01T M4 x 0.7 M STI D4 0.180 0.182 .194 .152 TiN 37 $47.79
18064-01U M4 x 0.7 M STI D4 0.180 0.182 .194 .152 Super TiN 11 $48.44
18263-010 M5 x 0.8 M STI D3 0.221 0.224 .255 .191 Bright 57 $47.79
18263-016 M5 x 0.8 M STI D3 0.221 0.224 .255 .191 Nitride/Steam 2 Days $52.57
18263-01T M5 x 0.8 M STI D3 0.221 0.224 .255 .191 TiN 28 $54.80
18263-01U M5 x 0.8 M STI D3 0.221 0.224 .255 .191 Super TiN 17 $55.45
18264-010 M5 x 0.8 M STI D4 0.222 0.225 .255 .191 Bright 22 $47.79
18264-01C M5 x 0.8 M STI D4 0.222 0.225 .255 .191 TiCN 5 Days $57.25
18264-01T M5 x 0.8 M STI D4 0.222 0.225 .255 .191 TiN 5 Days $54.80
18264-01U M5 x 0.8 M STI D4 0.222 0.225 .255 .191 Super TiN 24 $55.45
18464-010 M6 x 1.0 M STI D4 0.267 0.271 .318 .238 Bright 131 $51.03
18464-016 M6 x 1.0 M STI D4 0.267 0.271 .318 .238 Nitride/Steam 2 Days $56.13
18464-01T M6 x 1.0 M STI D4 0.267 0.271 .318 .238 TiN 7 $59.52
18464-01U M6 x 1.0 M STI D4 0.267 0.271 .318 .238 Super TiN 28 $60.17
18465-010 M6 x 1.0 M STI D5 0.267 0.271 .318 .238 Bright 70 $51.03
18465-01T M6 x 1.0 M STI D5 0.267 0.271 .318 .238 TiN 5 Days $59.52
18465-01U M6 x 1.0 M STI D5 0.267 0.271 .318 .238 Super TiN 5 Days $60.17
18665-010 M8 x 1.25 M STI D5 0.353 0.358 .381 .286 Bright 27 $60.95
18665-01T M8 x 1.25 M STI D5 0.353 0.358 .381 .286 TiN 5 Days $69.45
18665-01U M8 x 1.25 M STI D5 0.353 0.358 .381 .286 Super TiN 4 $70.11
18666-010 M8 x 1.25 M STI D6 0.354 0.359 .381 .286 Bright 19 $60.95
18666-01T M8 x 1.25 M STI D6 0.354 0.359 .381 .286 TiN 5 Days $69.45
18666-01U M8 x 1.25 M STI D6 0.354 0.359 .381 .286 Super TiN 5 Days $70.11