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TYPE TYPE 3510 - STRAIGHT 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		 SHANK
DIAM.		 EDP
No.		 PRICE
EACH		 DECIMAL
SIZE RANGE		 PRICE EACH - FINISHED TO DECIMAL SIZE
mm FRAC. 1 PC. 2 PC. 3 PC. 4 PC. 5 - 7 8 - 14 15+
6.0  .2362  .114    3/32 3 3 13/16   15/64 3510060 $104.80 6.000 - 6.426 $137.25 $115.50 $108.30 $104.80 $101.15 $98.05 $93.85
6.5  .2559  .114    3/32 3 3 13/16   17/64 3510065 123.00 6.427 - 7.214 155.55 133.75 126.50 123.00 119.40 116.40 112.15
7.0  .2756  .114    3/32 3 3 13/16   17/64 3510070 123.00 — — — — — — — —
7.5  .2953  .114    3/32 3 3 13/16   19/64 3510075 113.25 7.215 - 8.001 145.75 123.95 116.70 113.25 109.60 106.55 102.35
8.0  .3150  .114    3/32 3 3 13/16   19/64 3510080 113.25 — — — — — — — —
8.5  .3346  .114    3/32 3 3 13/16    5/16 3510085 136.15 8.002 - 8.814 168.70 146.95 139.70 136.15 132.50 129.55 125.25
9.0  .3543  .182    5/32 3 4  1/16    5/16 3510090 115.30 8.815 - 9.601 145.25 125.25 118.50 115.30 111.85 109.15 105.20
9.5  .3740  .182    5/32 3 4  1/16    5/16 3510095 115.30 — — — — — — — —
10.0  .3937  .182    5/32 3 4  1/16    3/8  3510100 128.50 9.602 - 10.389 158.50 138.45 131.80 128.50 125.10 122.35 118.45
10.5  .4134  .182    5/32 3 4  1/16    3/8  3510105 118.00 10.390 - 11.201 148.05 128.05 121.30 118.00 114.65 111.85 107.95
11.0  .4331  .182    5/32 3 4  1/16    3/8  3510110 118.00 — — — — — — — —
11.5  .4528  .228    3/16 3 4  5/16    7/16 3510115 140.50 11.202 - 11.989 170.45 150.45 143.70 140.50 137.15 134.35 130.35
12.0  .4724  .228    3/16 3 4  5/16    7/16 3510120 128.95 11.990 - 12.776 158.95 138.90 132.25 128.95 125.65 122.85 118.95
12.5  .4921  .228    3/16 3 4  5/16    7/16 3510125 128.95 — — — — — — — —
13.0  .5118  .228    3/16 3 4  5/16    1/2  3510130 142.85 12.777 - 13.564 172.85 152.80 146.00 142.85 139.45 136.70 132.70
13.5  .5315  .228    3/16 3 4  5/16    1/2  3510135 142.85 — — — — — — — —
14.0  .5512  .228    3/16 3 4  5/16    1/2  3510140 131.10 13.565 - 14.376 161.05 141.05 134.35 131.10 127.70 124.95 121.05
14.5  .5709  .228    3/16 3 5  1/8     1/2  3510145 146.35 14.377 - 15.164 176.40 156.25 149.60 146.35 143.00 140.20 136.30
15.0  .5906  .228    3/16 3 5  1/8     1/2  3510150 146.35 — — — — — — — —
15.5  .6102  .228    3/16 3 5  1/8     1/2  3510155 134.25 15.165 - 15.951 164.20 144.20 137.50 134.25 130.90 128.15 124.20
16.0  .6299  .228    3/16 3 5  1/8     1/2  3510160 134.25 15.952 - 16.739 164.20 144.20 137.50 134.25 130.90 128.15 124.20
16.5  .6496  .228    3/16 3 5  1/8     1/2  3510165 153.70 — — — — — — — —
17.0  .6693  .228    3/16 3 5  1/8     1/2  3510170 141.00 16.740 - 17.551 170.85 150.85 144.20 141.00 137.55 134.80 130.90
17.5  .6890  .228    3/16 3 5  1/8     1/2  3510175 141.00 — — — — — — — —
18.0  .7087  .290    1/4  3 5  3/8     1/2  3510180 156.10 17.552 - 18.339 186.05 166.05 159.40 156.10 152.80 149.95 146.00
18.5  .7283  .290    1/4  3 5  3/8     1/2  3510185 143.10 18.340 - 19.126 173.05 153.00 146.30 143.10 139.70 136.90 133.00
19.0  .7480  .290    1/4  3 5  3/8     1/2  3510190 143.10 — — — — — — — —
19.5  .7677  .290    1/4  3 5  3/8     5/8  3510195 158.50 19.127 - 19.914 188.45 168.35 161.70 158.50 155.05 152.30 148.40
20.0  .7874  .290    1/4  3 5  3/8     5/8  3510200 145.40 19.915 - 20.726 175.35 155.25 148.55 145.40 141.95 139.25 135.25
20.5  .8071  .290    1/4  3 5  3/8     5/8  3510205 145.40 — — — — — — — —
21.0  .8268  .290    1/4  3 5  3/8     3/4  3510210 166.05 20.727 - 21.514 196.05 175.90 169.25 166.05 162.70 159.90 155.95
21.5  .8465  .290    1/4  3 5  3/8     3/4  3510215 166.05 — — — — — — — —
22.0  .8661  .290    1/4  3 5  3/8     3/4  3510220 152.10 21.515 - 22.301 182.05 162.05 155.40 152.10 148.70 145.95 142.05
22.5  .8858  .290    1/4  3 6  1/8     3/4  3510225 170.15 22.302 - 23.089 200.15 180.05 173.30 170.15 166.75 164.00 160.00
23.0  .9055  .290    1/4  3 6  1/8     3/4  3510230 170.15 — — — — — — — —
23.5  .9252  .290    1/4  3 6  1/8     3/4  3510235 155.90 23.090 - 23.901 185.85 165.75 159.10 155.90 152.45 149.75 145.80
24.0  .9449  .353    5/16 3 6  3/8     3/4  3510240 173.80 23.902 - 24.689 203.70 183.70 176.95 173.80 170.40 167.65 163.65
24.5  .9646  .353    5/16 3 6  3/8     3/4  3510245 173.80 — — — — — — — —
25.0  .9843  .353    5/16 3 6  3/8     3/4  3510250 159.20 24.690 - 25.476 189.15 169.10 162.40 159.20 155.80 153.10 149.15
25.5 1.0039  .353    5/16 3 6  3/8     3/4  3510255 161.05 25.477 - 27.076 191.05 170.95 164.30 161.05 157.70 154.90 151.00
26.0 1.0236  .353    5/16 3 6  3/8     3/4  3510260 161.05 — — — — — — — —
27.0 1.0630  .353    5/16 3 6  3/8     3/4  3510270 161.05 — — — — — — — —
28.0 1.1024  .353    5/16 3 6  3/8  1         3510280 165.75 27.077 - 28.651 195.70 175.70 169.05 165.75 162.40 159.65 155.75
29.0 1.1417  .353    5/16 3 6  3/8  1         3510290 170.95 28.652 - 30.239 200.90 180.90 174.25 170.95 167.65 164.85 160.95
30.0 1.1811  .353    5/16 3 6  3/8  1         3510300 170.95 — — — — — — — —
31.0 1.2205  .426    3/8  4 6  5/8  1         3510310 189.65 30.240 - 31.826 222.25 200.40 193.20 189.65 186.00 183.05 178.80
32.0 1.2598  .426    3/8  4 6  5/8  1         3510320 202.35 31.827 - 33.414 234.85 213.10 205.80 202.35 198.65 195.65 191.40
33.0 1.2992  .426    3/8  4 6  5/8  1         3510330 202.35 — — — — — — — —
34.0 1.3386  .426    3/8  4 6  5/8  1         3510340 211.25 33.415 - 35.001 243.80 222.05 214.85 211.25 207.60 204.60 200.35
35.0 1.3780  .426    3/8  4 6  5/8  1         3510350 229.65 — — — — — — — —
36.0 1.4173  .426    3/8  4 7  7/8  1  1/4  3510360 234.65 35.002 - 36.589 270.00 246.35 238.50 234.65 230.70 227.45 222.75
37.0 1.4567  .426    3/8  4 7  7/8  1  1/4  3510370 258.50 36.590 - 38.176 293.85 270.15 262.30 258.50 254.50 251.25 246.60
38.0 1.4961  .426    3/8  4 7  7/8  1  1/4  3510380 258.50 — — — — — — — —
Diameters up to 50mm - call us for price & availability.

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.