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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 $110.05 6.000 - 6.426 $144.15 $121.25 $113.70 $110.05 $106.20 $102.95 $98.55
6.5  .2559  .114    3/32 3 3 13/16   17/64 3510065 129.15 6.427 - 7.214 163.30 140.50 132.80 129.15 125.35 122.20 117.75
7.0  .2756  .114    3/32 3 3 13/16   17/64 3510070 129.15 — — — — — — — —
7.5  .2953  .114    3/32 3 3 13/16   19/64 3510075 118.95 7.215 - 8.001 153.00 130.20 122.50 118.95 115.10 111.85 107.45
8.0  .3150  .114    3/32 3 3 13/16   19/64 3510080 118.95 — — — — — — — —
8.5  .3346  .114    3/32 3 3 13/16    5/16 3510085 142.95 8.002 - 8.814 177.10 154.30 146.70 142.95 139.15 136.10 131.45
9.0  .3543  .182    5/32 3 4  1/16    5/16 3510090 121.05 8.815 - 9.601 152.55 131.45 124.45 121.05 117.45 114.60 110.45
9.5  .3740  .182    5/32 3 4  1/16    5/16 3510095 121.05 — — — — — — — —
10.0  .3937  .182    5/32 3 4  1/16    3/8  3510100 134.95 9.602 - 10.389 166.40 145.40 138.40 134.95 131.30 128.45 124.40
10.5  .4134  .182    5/32 3 4  1/16    3/8  3510105 123.90 10.390 - 11.201 155.45 134.35 127.40 123.90 120.40 117.45 113.35
11.0  .4331  .182    5/32 3 4  1/16    3/8  3510110 123.90 — — — — — — — —
11.5  .4528  .228    3/16 3 4  5/16    7/16 3510115 147.50 11.202 - 11.989 179.00 157.90 150.90 147.50 144.00 141.05 136.85
12.0  .4724  .228    3/16 3 4  5/16    7/16 3510120 135.40 11.990 - 12.776 166.95 145.80 138.80 135.40 131.95 129.00 124.90
12.5  .4921  .228    3/16 3 4  5/16    7/16 3510125 135.40 — — — — — — — —
13.0  .5118  .228    3/16 3 4  5/16    1/2  3510130 149.95 12.777 - 13.564 181.45 160.45 153.30 149.95 146.45 143.55 139.35
13.5  .5315  .228    3/16 3 4  5/16    1/2  3510135 149.95 — — — — — — — —
14.0  .5512  .228    3/16 3 4  5/16    1/2  3510140 137.70 13.565 - 14.376 169.10 148.10 141.05 137.70 134.05 131.20 127.05
14.5  .5709  .228    3/16 3 5  1/8     1/2  3510145 153.70 14.377 - 15.164 185.20 164.10 157.10 153.70 150.15 147.20 143.10
15.0  .5906  .228    3/16 3 5  1/8     1/2  3510150 153.70 — — — — — — — —
15.5  .6102  .228    3/16 3 5  1/8     1/2  3510155 141.00 15.165 - 15.951 172.40 151.40 144.35 141.00 137.50 134.60 130.40
16.0  .6299  .228    3/16 3 5  1/8     1/2  3510160 141.00 15.952 - 16.739 172.40 151.40 144.35 141.00 137.50 134.60 130.40
16.5  .6496  .228    3/16 3 5  1/8     1/2  3510165 161.40 — — — — — — — —
17.0  .6693  .228    3/16 3 5  1/8     1/2  3510170 148.05 16.740 - 17.551 179.40 158.40 151.40 148.05 144.40 141.55 137.50
17.5  .6890  .228    3/16 3 5  1/8     1/2  3510175 148.05 — — — — — — — —
18.0  .7087  .290    1/4  3 5  3/8     1/2  3510180 163.95 17.552 - 18.339 195.35 174.35 167.35 163.95 160.45 157.45 153.30
18.5  .7283  .290    1/4  3 5  3/8     1/2  3510185 150.20 18.340 - 19.126 181.70 160.65 153.60 150.20 146.70 143.80 139.65
19.0  .7480  .290    1/4  3 5  3/8     1/2  3510190 150.20 — — — — — — — —
19.5  .7677  .290    1/4  3 5  3/8     5/8  3510195 166.40 19.127 - 19.914 197.90 176.75 169.80 166.40 162.80 159.95 155.80
20.0  .7874  .290    1/4  3 5  3/8     5/8  3510200 152.65 19.915 - 20.726 184.10 163.05 155.95 152.65 149.05 146.15 142.05
20.5  .8071  .290    1/4  3 5  3/8     5/8  3510205 152.65 — — — — — — — —
21.0  .8268  .290    1/4  3 5  3/8     3/4  3510210 174.35 20.727 - 21.514 205.85 184.75 177.75 174.35 170.80 167.85 163.75
21.5  .8465  .290    1/4  3 5  3/8     3/4  3510215 174.35 — — — — — — — —
22.0  .8661  .290    1/4  3 5  3/8     3/4  3510220 159.75 21.515 - 22.301 191.15 170.15 163.15 159.75 156.10 153.25 149.10
22.5  .8858  .290    1/4  3 6  1/8     3/4  3510225 178.70 22.302 - 23.089 210.15 189.05 182.00 178.70 175.05 172.20 168.00
23.0  .9055  .290    1/4  3 6  1/8     3/4  3510230 178.70 — — — — — — — —
23.5  .9252  .290    1/4  3 6  1/8     3/4  3510235 163.65 23.090 - 23.901 195.15 174.00 167.10 163.65 160.10 157.20 153.10
24.0  .9449  .353    5/16 3 6  3/8     3/4  3510240 182.50 23.902 - 24.689 213.90 192.85 185.80 182.50 178.90 176.05 171.85
24.5  .9646  .353    5/16 3 6  3/8     3/4  3510245 182.50 — — — — — — — —
25.0  .9843  .353    5/16 3 6  3/8     3/4  3510250 167.15 24.690 - 25.476 198.60 177.60 170.50 167.15 163.60 160.70 156.65
25.5 1.0039  .353    5/16 3 6  3/8     3/4  3510255 169.10 25.477 - 27.076 200.60 179.50 172.50 169.10 165.55 162.70 158.55
26.0 1.0236  .353    5/16 3 6  3/8     3/4  3510260 169.10 — — — — — — — —
27.0 1.0630  .353    5/16 3 6  3/8     3/4  3510270 169.10 — — — — — — — —
28.0 1.1024  .353    5/16 3 6  3/8  1         3510280 174.00 27.077 - 28.651 205.50 184.50 177.50 174.00 170.50 167.65 163.50
29.0 1.1417  .353    5/16 3 6  3/8  1         3510290 179.50 28.652 - 30.239 211.00 189.90 182.90 179.50 176.05 173.10 169.00
30.0 1.1811  .353    5/16 3 6  3/8  1         3510300 179.50 — — — — — — — —
31.0 1.2205  .426    3/8  4 6  5/8  1         3510310 199.10 30.240 - 31.826 233.40 210.40 202.85 199.10 195.30 192.20 187.75
32.0 1.2598  .426    3/8  4 6  5/8  1         3510320 212.50 31.827 - 33.414 246.60 223.70 216.10 212.50 208.60 205.45 200.95
33.0 1.2992  .426    3/8  4 6  5/8  1         3510330 212.50 — — — — — — — —
34.0 1.3386  .426    3/8  4 6  5/8  1         3510340 221.85 33.415 - 35.001 256.00 233.15 225.55 221.85 218.00 214.85 210.35
35.0 1.3780  .426    3/8  4 6  5/8  1         3510350 241.15 — — — — — — — —
36.0 1.4173  .426    3/8  4 7  7/8  1  1/4  3510360 246.40 35.002 - 36.589 283.50 258.65 250.40 246.40 242.25 238.75 233.85
37.0 1.4567  .426    3/8  4 7  7/8  1  1/4  3510370 271.45 36.590 - 38.176 308.55 283.65 275.40 271.45 267.25 263.75 258.95
38.0 1.4961  .426    3/8  4 7  7/8  1  1/4  3510380 271.45 — — — — — — — —
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.