Type 611 Fractional
Tools - Drills - Aircraft Extension Drills - 12" Length Aircraft Extension Drills with 135° Split Point

Chip ClassMaterial MachinedTool Type
20NON-FERROUS - LONG CHIPS611
40NON-FERROUS - SHORT CHIPS611
60CAST IRONS611

Description

  • 135º split point per NAS 907 specifications
  • Carbide tip high temperature brazed to hardened tool steel body
  • Smooth flutes for effective chip flow
  • Precision ground to insure concentricity of tip & body
  • All dimensional & element tolerances conform to one of:
    ASME/ANSI B94.11M
    ISO - International Organization for Standardization
    NAS 907 - National Aerospace Standards
    USCTI - United States Cutting Tool Institute (formerly MCTI)

Modifications

Coatings available:
  • TITANIUM NITRIDE - TiN
  • TITANIUM CARBONITRIDE - TiCN
  • ZIRCONIUM NITRIDE - ZrN
  • AL TITANIUM NITRIDE - AITiN

Use

  • For drilling holes not accessible with shorter drills
  • Feeds should be light to medium
  • Not recommended for deep hole applications
  • Letter sizes A-D and F-Z are Discontinued, While Supplies Last.
Decimal DiameterFractional DiameterFlute LengthOverall LengthWire LetterEDPPrice
0.39703 3/412X61524 $72.60
0.40403 7/812Y61525 $75.30
0.41303 7/812Z61526 $84.95
0.34803 1/212S61519 $71.40
0.35803 1/212T61520 $73.20
0.36803 5/812U61521 $70.50
0.37703 5/812V61522 $71.40
0.38603 3/412W61523 $76.60
0.30203 1/1612N61514 $65.35
0.31603 3/1612O61515 $62.10
0.32303 5/1612P61516 $66.05
0.33203 7/1612Q61517 $67.85
0.33903 7/1612R61518 $66.05
0.27202 7/812I61509 $59.40
0.27702 7/812J61510 $60.65
0.28102 15/1612K61511 $60.65
0.29002 15/1612L61512 $60.65
0.29503 1/1612M61513 $66.80
0.24202 3/412C61503 $56.40
0.24602 3/412D61504 $55.50
0.25702 7/812F61506 $58.00
0.26102 7/812G61507 $59.40
0.26602 7/812H61508 $60.65
0.23402 5/812A61501 $56.40
0.23802 3/412B61502 $56.40
0.12851 5/8123061330 $41.25
0.12001 5/8123161331 $39.15
0.11601 5/8123261332 $43.90
0.14951 7/8122561325 $43.40
0.14701 7/8122661326 $43.40
0.14401 7/8122761327 $44.20
0.14051 3/4122861328 $43.40
0.13601 3/4122961329 $42.65
0.16102 1/8122061320 $47.00
0.15902 1/8122161321 $46.00
0.15702122261322 $47.35
0.15402122361323 $43.40
0.15202122461324 $44.20
0.18002 3/16121561315 $47.35
0.17702 3/16121661316 $46.00
0.17302 3/16121761317 $47.00
0.16952 1/8121861318 $47.00
0.16602 1/8121961319 $47.00
0.19352 7/16121061310 $47.80
0.19102 5/16121161311 $48.55
0.18902 5/16121261312 $47.80
0.18502 5/16121361313 $46.00
0.18202 3/16121461314 $46.00
0.20552 1/212561305 $48.55
0.20402 1/212661306 $49.85
0.20102 7/1612761307 $48.55
0.19902 7/1612861308 $48.55
0.19602 7/1612961309 $48.55
0.22802 5/812161301 $47.00
0.22102 5/812261302 $47.65
0.21302 1/212361303 $48.55
0.20902 1/212461304 $45.55
0.453129/644 3/161261129 $68.25
0.468815/324 5/161261130 $66.80
0.484431/644 3/81261131 $75.00
0.50001/24 1/21261132 $75.00
0.37503/83 5/81261124 $53.15
0.390625/643 3/41261125 $54.80
0.406213/323 7/81261126 $53.95
0.421927/643 15/161261127 $59.40
0.43757/164 1/161261128 $59.40
0.296919/643 1/161261119 $47.00
0.31255/163 3/161261120 $47.00
0.328121/643 5/161261121 $50.05
0.343811/323 7/161261122 $50.05
0.359423/643 1/21261123 $53.15
0.21887/322 1/21261114 $37.70
0.234415/642 5/81261115 $40.55
0.25001/42 3/412E61116 $40.55
0.265617/642 7/81261117 $43.40
0.28129/322 15/161261118 $43.40
0.14069/641 3/41261109 $32.90
0.15625/3221261110 $32.35
0.171911/642 1/81261111 $35.20
0.18753/162 5/161261112 $34.50
0.203113/642 7/161261113 $37.70
0.12501/81 5/81261108 $30.40
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