List No. 2091 - Steam Oxide Over Nitride List No. 2091G - TiN Coated
*H7 Pitch Diameter Limit (sizes 1-3/4 - 5 and 2 - 4-1/2)
Spiral Flute
Semi-Bottoming Style
offers exceptional value for high volume production tapping in long-chipping steels and stainless steels up to 35 Rc Hardness. Steam Oxide Over Nitride resists chip welding, increases lubricity and helps to retain cutting fluid. TiN Coating increases hardness and lubricity for improved thread quality, higher speeds and longer tool life.
Surface Treated TiN Coated
Thread No.of Thread Neck
EDP No.
Size Type Flutes Length Length OAL H2 H3 H4 H5 H2 H3 H4 H5
4-40 NC 3 .236 .327 1-7/8 34450 34451 - 94450 94451 - 6-32 NC 3 .236 .452 2 34453 34454 - 34455 94453 94454 - 94455 8-32 NC 3 .236 .514 2-1/8 34456 34457 - 34458 94456 94457 - 94458 10-24 NC 3 .354 .521 2-3/8 34459 34460 - 94459 94460 - 10-32 NF 3 .354 .521 2-3/8 34461 34462 - 34463 94461 94462 - 94463 1/4-20 NC 3 .433 .567 2-1/2 - 34466 - 34467 - 94466 - 94467 1/4-28 NF 3 .433 .567 2-1/2 - 34468 34469 - 94468 94469 - 5/16-18 NC 3 .472 .653 2-23/32 - 34470 - 34471 - 94470 - 94471 5/16-24 NF 3 .472 .653 2-23/32 - 34472 34473 - 94472 94473 - 3/8-16 NC 3 .551 .699 2-15/16 - 34474 - 34475 - 94474 - 94475 3/8-24 NF 3 .551 .699 2-15/16 - 34476 34477 - 94476 94477 - 7/16-14 NC 3 .591 .847 3-5/32 - 34478 - 34479 - 94478 - 94479 7/16-20 NF 3 .591 .847 3-5/32 - 34480 - 34481 - 94480 - 94481 1/2-13 NC 3 .630 1.026 3-3/8 - 34482 - 34483 - 94482 - 94483 1/2-20 NF 3 .630 1.026 3-3/8 - 34484 - 34485 - 94484 - 94485 9/16-12 NC 3 .690 .983 3-19/32 - 34486 - 94486 - 9/16-18 NF 3 .690 .983 3-19/32 - 34487 - 94487 - 5/8-11 NC 3 .745 1.052 3-13/16 - 34488 - 94488 - 5/8-18 NF 3 .745 1.052 3-13/16 - 34489 - 94489 - 3/4-10 NC 4 .820 1.165 4-1/4 - 34492 - 94492 - 3/4-16 NF 4 .820 1.165 4-1/4 - 34493 - 94493 - 7/8-9 NC 4 .911 1.308 4-11/16 - 34520 - 94520 - 7/8-14 NF 4 .911 1.308 4-11/16 - 34521 - 94521 - 1-8 NC 4 1.025 1.475 5-1/8 - 34522 - 94522 - 1-12 NF 4 1.025 1.475 5-1/8 - 34523 - 94523 - 1-1/8-7 NC 4 1.143 1.419 5-7/16 - 34524 - 94524 - 1-1/8-12 NF 4 1.143 1.419 5-7/16 - 34525 - 94525 - 1-1/4-7 NC 4 1.143 1.419 5-3/4 - 34526 - 94526 - 1-1/4-12 NF 4 1.143 1.419 5-3/4 - 34527 - 94527 - 1-3/8-6 NC 4 1.333 1.667 6-1/16 - 34528 - 94528 - 1-3/8-12 NF 4 1.333 1.667 6-1/16 - 34529 - 94529 - 1-1/2-6 NC 4 1.333 1.667 6-3/8 - 34530 - 94530 - 1-1/2-12 NF 4 1.333 1.667 6-3/8 - 34531 - 94531 - 1-3/4-5* NC 6 1.600 1.588 7 - 34532* - 94532* 2-4-1/2* NC 6 1.777 1.588 7-5/8 - 34534* - 94534* Primarily designed for tapping blind holes. The spiral flutes draw the chips out of the hole. 4
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