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FRACTIONAL TYPE 3511 - TAPER SHANK - THREE/FOUR FLUTES - FOR STEEL
TYPE
Carbide tips brazed to hardened alloy steel bodies. Right spiral smooth flutes. Interchangeable pilot type.
Tools are designed with appropriate carbide grade and tool geometry for machining steel and steel alloys.
Below is Lexington Cutter's selection of 3 Or 4 Spiral Flute Counterbores. We offer a wide variety of carbide tipped and solid carbide cutting tools. Over 95% are in stock either finished or semi finished for fast delivery.
Tool diameter tolerance: +.001"/-.000".
Shank diameter tolerance: +.0000"/-.0005".
TOOL DIAMETER MIN
CUT
DIAM.
PILOT
HOLE
DIAM.
NO.
OF
FLUTES
OVER
ALL
LENGTH
MORSE
TAPER
EDP
No.
PRICE
EACH
DECIMAL
SIZE RANGE
PRICE EACH - FINISHED TO DECIMAL SIZE
DECIMAL FRAC. 1 PC. 2 PC. 3 PC. 4 PC. 5 - 7 8 - 14*
 .2500    1/  .114    3/32 3 13/16 1 351108 $94.80  .2381 -  .2530 $140.50 $117.65 $110.05 $106.25 $102.40 $99.25
 .2812    9/32  .114    3/32 3 13/16 1 351109 114.05  .2531 -  .2840 159.65 136.80 129.15 125.45 121.65 118.45
 .3125    5/16  .114    3/32 3 13/16 1 351110 103.75  .2841 -  .3150 149.40 126.50 118.95 115.15 111.30 108.15
 .3438   11/32  .114    3/32 3 13/16 1 351111 127.75  .3151 -  .3470 173.45 150.55 142.95 139.25 135.40 132.25
 .3750    3/  .182    5/32 3  1/16 1 351112 107.05  .3471 -  .3780 149.10 128.10 121.05 117.60 114.10 111.25
 .4062   13/32  .182    5/32 3  1/16 1 351113 120.90  .3781 -  .4090 163.05 141.95 134.95 131.45 127.95 125.00
 .4375    7/16  .182    5/32 3  1/16 1 351114 109.95  .4091 -  .4410 151.95 130.95 123.90 120.55 116.95 114.10
 .4688   15/32  .228    3/16 3  5/16 1 351115 133.50  .4411 -  .4720 175.55 154.50 147.50 144.05 140.50 137.60
 .5000    1/  .228    3/16 3  5/16 1 351116 121.40  .4721 -  .5030 163.50 142.45 135.40 132.00 128.40 125.50
 .5312   17/32  .228    3/16 3  5/16 1 351117 135.95  .5031 -  .5340 178.00 157.00 149.95 146.50 142.95 140.05
 .5625    9/16  .228    3/16 3  5/16 1 351118 123.60  .5341 -  .5660 165.75 144.60 137.70 134.10 130.70 127.75
 .5938   19/32  .228    3/16 3  1/ 2 351119 139.65  .5661 -  .5970 181.80 160.70 153.70 150.20 146.70 143.80
 .6250    5/  .228    3/16 3  1/ 2 351120 126.90  .5971 -  .6280 169.05 148.05 141.00 137.55 133.90 131.05
 .6562   21/32  .228    3/16 3  1/ 2 351121 147.40  .6281 -  .6590 189.55 168.50 161.40 158.05 154.40 151.55
 .6875   11/16  .228    3/16 3  1/ 2 351122 133.90  .6591 -  .6910 176.10 155.00 148.05 144.50 141.00 138.05
 .7188   23/32  .290    1/ 3  3/ 2 351123 149.85  .6911 -  .7220 192.00 170.95 163.95 160.50 156.95 154.05
 .7500    3/  .290    1/ 3  3/ 2 351124 136.20  .7221 -  .7530 178.30 157.20 150.20 146.80 143.15 140.30
 .7812   25/32  .290    1/ 3  3/ 2 351125 152.40  .7531 -  .7840 194.45 173.45 166.40 162.90 159.40 156.50
 .8125   13/16  .290    1/ 3  3/ 2 351126 138.60  .7841 -  .8160 180.65 159.65 152.65 149.10 145.60 142.75
 .8438   27/32  .290    1/ 3  3/ 2 351127 160.25  .8161 -  .8470 202.45 181.35 174.35 170.85 167.35 164.45
 .8750    7/  .290    1/ 3  3/ 2 351128 145.65  .8471 -  .8780 187.80 166.65 159.75 156.25 152.75 149.80
 .9062   29/32  .290    1/ 3  1/ 3 351129 164.65  .8781 -  .9090 206.70 185.65 178.70 175.15 171.65 168.75
 .9375   15/16  .290    1/ 3  1/ 3 351130 149.65  .9091 -  .9410 191.75 170.65 163.65 160.15 156.75 153.80
 .9688   31/32  .353    5/16 3  3/ 3 351131 168.40  .9411 -  .9720 210.50 189.50 182.50 179.00 175.35 172.50
1.0000          .353    5/16 3  3/ 3 351132 158.90  .9721 - 1.0030 202.65 180.80 173.45 169.90 166.10 163.15
1.0625  1/16  .353    5/16 3  3/ 3 351134 161.00 1.0031 - 1.0660 204.60 182.75 175.50 171.90 168.20 165.20
1.1250  1/  .353    5/16 3  3/ 3 351136 166.05 1.0661 - 1.1280 209.80 188.00 180.60 177.05 173.30 170.40
1.1875  3/16  .353    5/16 3  3/ 3 351138 171.70 1.1281 - 1.1905 215.55 193.60 186.25 182.70 179.00 176.05
1.2500  1/  .426    3/ 4  5/ 3 351140 190.90 1.1906 - 1.2530 238.30 214.55 206.70 202.80 198.80 195.50
1.3125  5/16  .426    3/ 4  5/ 3 351142 204.60 1.2531 - 1.3155 252.15 228.25 220.50 216.50 212.60 209.30
1.3750  3/  .426    3/ 4  5/ 3 351144 214.40 1.3156 - 1.3780 261.80 238.15 230.25 226.30 222.30 219.05
1.4375  7/16  .426    3/ 4  7/ 4 351146 238.50 1.3781 - 1.4405 290.10 264.30 255.65 251.45 247.10 243.55
1.5000  1/  .426    3/ 4  7/ 4 351148 264.45 1.4406 - 1.5030 316.05 290.20 281.70 277.40 273.15 269.50
1.5625  9/16  .489    7/16 4  1/ 4 351150 284.15 1.5031 - 1.5660 338.10 311.15 302.25 297.70 293.15 289.50
1.6250  5/  .489    7/16 4  1/ 4 351152 289.25 1.5661 - 1.6280 343.20 316.25 307.30 302.75 298.20 294.65
1.6875 11/16  .489    7/16 4  1/ 4 351154 346.10 1.6281 - 1.6910 404.40 375.25 365.60 360.80 355.80 351.80
1.7500  3/  .489    7/16 4  1/ 4 351156 346.10 1.6911 - 1.7530 404.40 375.25 365.60 360.80 355.80 351.80
1.8125 13/16  .489    7/16 4  1/ 4 351158 409.65 1.7531 - 1.8160 467.90 438.75 429.05 424.20 419.30 415.25
1.8750  7/  .489    7/16 4  1/ 4 351160 409.65 1.8161 - 1.8780 467.90 438.75 429.05 424.20 419.30 415.25
1.9375 15/16  .489    7/16 4  1/ 4 351162 447.50 1.8781 - 1.9410 505.80 476.70 466.90 462.20 457.30 453.25
2.0000          .551    1/ 4  3/ 4 351164 447.50 1.9411 - 2.0030 505.80 476.70 466.90 462.20 457.30 453.25
*Quantities of 15 or more: price of fractional size in same size range.

Do you need special 3 Or 4 Spiral Flute Counterbores?

If you can't find the specific 3 Or 4 Spiral Flute Counterbores you are looking for we can manufacture it for you as a special. Simply fill out our Special Tool Quote Form and fax it back to us at 941-739-2827. You can also send us a message with your requirements through our Contact Us page. We will provide you with price and delivery for your special 3 Or 4 Spiral Flute Counterbores.

Thank you for using Lexington Cutter for your 3 Or 4 Spiral Flute Counterbores.