Type 661 Fractional
Tools - Drills - Taper Shank Twist Drills - 135° Split Point

Chip ClassMaterial MachinedTool Type
40NON-FERROUS - SHORT CHIPS660
60CAST IRONS660 / 661
Discontinued, While Supplies Last.

Description

  • 135º split point designed for drilling tough abrasive or high tensile materials
  • Standard taper shank
  • Heavy duty construction
  • 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)
  • Taper Shank No. refers to American Standard taper series (formerly Morse taper series) fer ASME/ANSI B5.10

Modifications

  • Modified tool diameter
  • Modified metric tool diameter
  • Modified point and / or angle
  • Shank whistle notch for set screw
Coatings available:
  • TITANIUM NITRIDE - TiN
  • TITANIUM CARBONITRIDE - TiCN
  • ZIRCONIUM NITRIDE - ZrN
  • AL TITANIUM NITRIDE - AITiN
Decimal DiameterFractional DiameterFlute LengthOverall LengthTaper Shank NumberEDPPrice
1.46881 15/329 1/414 7/8466194
1.50001 1/29 3/815466196 $537.40
1.31251 5/168 5/814 1/4466184 $436.95
1.34381 11/328 3/414 3/8466186
1.37501 3/88 7/814 1/2466188 $489.80
1.40621 13/32914 5/8466190
1.43751 7/169 1/814 3/4466192
1.20311 13/647 1/213 1/8466177
1.21881 7/327 1/213 1/8466178
1.23441 15/647 7/813 1/2466179
1.25001 1/47 7/813 1/2466180 $346.10
1.28121 9/328 1/214 1/8466182
1.12501 1/87 1/812 3/4466172 $282.30
1.14061 9/647 1/212 7/8466173
1.15621 5/327 1/212 7/8466174
1.17191 11/647 3/813466175
1.18751 3/167 3/813466176 $323.10
1.04691 3/646 5/811 1/4366167
1.06251 1/166 5/811 1/4366168 $254.55
1.07811 5/646 7/812 1/2466169
1.09381 3/326 7/812 1/2466170
1.10941 7/647 1/812 3/4466171
0.968831/326 3/811366162 $190.40
0.984463/646 3/811366163 $206.35
1.000016 3/811366164 $187.30
1.01566 1/211 1/8366165
1.03121 1/326 1/211 1/8366166 $237.10
0.890657/646 1/810 3/4366157 $184.80
0.906229/326 1/810 3/4366158 $179.85
0.921959/646 1/810 3/4366159 $188.25
0.937515/166 1/810 3/4366160 $174.15
0.953161/646 3/811366161
0.812513/166 1/810 3/4366152 $163.40
0.828153/646 1/810 3/4366153 $177.25
0.843827/326 1/810 3/4366154 $163.40
0.859455/646 1/810 3/4366155
0.87507/86 1/810 3/4366156 $172.65
0.734447/645 7/89 3/4266147 $152.00
0.75003/45 7/89 3/4266148 $138.20
0.765649/6469 7/8266149 $161.75
0.781225/3269 7/8266150 $161.70
0.796951/646 1/810 3/4366151 $163.30
0.656221/325 1/89266142 $126.70
0.671943/645 3/89 1/4266143 $145.15
0.687511/165 3/89 1/4266144 $128.20
0.703145/645 5/89 1/2266145 $148.95
0.718823/325 5/89 1/2266146 $142.90
0.578137/644 7/88 3/4266137 $121.85
0.593819/324 7/88 3/4266138 $113.80
0.609439/644 7/88 3/4266139 $141.15
0.62505/84 7/88 3/4266140 $124.60
0.640641/645 1/89266141 $143.35
0.50001/24 3/88 1/4266132 $98.60
0.515633/644 5/88 1/2266133 $114.70
0.531217/324 5/88 1/2266134 $101.40
0.546935/644 7/88 3/4266135 $116.30
0.56259/164 7/88 3/4266136 $102.85
0.421927/643 7/87 1/4166127 $100.30
0.43757/163 7/87 1/4166128 $87.80
0.453129/644 1/87 1/2166129 $106.65
0.468815/324 1/87 1/2166130 $106.65
0.484431/644 3/88 1/4266131 $106.65
0.343811/323 1/46 1/2166122 $86.50
0.359423/643 1/26 3/4166123 $86.50
0.37503/83 1/26 3/4166124 $86.50
0.390625/643 5/87166125 $100.30
0.406213/323 5/87166126 $100.30
0.265617/6436 1/4166117
0.28129/3236 1/4166118
0.296919/643 1/86 3/8166119
0.31255/163 1/86 3/8166120 $68.10
0.328121/643 1/46 1/2166121 $86.50
0.25001/42 7/86 1/8166116 $66.65

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