Lexington Cutter, Inc.

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COUNTERBORES –  ARBOR TYPE MILLING CUTTERS SHANK TYPE MILLING CUTTERS END MILLS COUNTERBORES REAMERS DRILLS MISCELLANEOUS PORT CONTOUR CUTTERS

Aircraft 3 or 4 Spiral Flute 4 Spiral Flute Aircraft Capscrew Pilots Pin Drive Stub Taper Shank Radial Drive

Below is Lexington Cutter's selection of Aircraft 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".
Corner radius: 1/64".

TOOL DIAMETER		MIN CUT DIAM.	PILOT HOLE DIAM.	NO. OF FLUTES	SMALL SHANK DIAM.	OVER ALL LENGTH	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	1/4	.125	3/32	3	1/4	2  3/8	352208	$69.30	.2381 -  .2530	$117.80	$93.65	$85.45	$81.60	$77.50	$74.05
.2812	9/32	.125	3/32	3	1/4	2  3/8	352209	69.35	.2531 -  .2840	117.90	93.75	85.60	81.70	77.55	74.20
.3125	5/16	.125	3/32	3	1/4	2  3/8	352210	71.20	.2841 -  .3150	119.75	95.40	87.30	83.30	79.25	75.95
.3438	11/32	.125	3/32	3	1/4	2  3/8	352211	72.60	.3151 -  .3470	121.15	96.80	88.75	84.75	80.70	77.40
.3750	3/8	.125	3/32	3	1/4	2  3/8	352212	72.80	.3471 -  .3780	121.30	97.00	89.05	85.00	80.85	77.55
.4062	13/32	.156	1/8	3	1/4	2  3/4	352213	82.80	.3781 -  .4090	131.20	107.10	98.90	95.00	90.80	87.55
.4375	7/16	.156	1/8	3	1/4	2  3/4	352214	89.25	.4091 -  .4410	137.75	113.45	105.40	101.35	97.35	94.00
.4688	15/32	.156	1/8	3	1/4	2  3/4	352215	90.70	.4411 -  .4720	139.30	115.00	106.90	102.95	98.85	95.50
.5000	1/2	.156	1/8	3	1/4	2  3/4	352216	91.85	.4721 -  .5030	140.40	116.15	108.00	103.95	99.90	96.55
.5312	17/32	.156	1/8	3	1/4	2  3/4	352217	92.35	.5031 -  .5340	140.75	116.50	108.50	104.45	100.30	97.00
.5625	9/16	.156	1/8	3	1/4	2  3/4	352218	92.70	.5341 -  .5660	141.20	116.95	108.85	104.80	100.85	97.45
.5938	19/32	.156	1/8	3	1/4	2  3/4	352219	93.15	.5661 -  .5970	141.80	117.55	109.50	105.40	101.30	97.95
.6250	5/8	.156	1/8	3	1/4	2  3/4	352220	94.20	.5971 -  .6280	142.75	118.60	110.40	106.55	102.40	99.00
.6562	21/32	.219	3/16	3	1/4	2  3/4	352221	104.70	.6281 -  .6590	153.25	128.95	120.95	116.95	112.85	109.55
.6875	11/16	.219	3/16	3	1/4	2  3/4	352222	109.95	.6591 -  .6910	158.50	134.25	126.15	122.15	117.95	114.75
.7188	23/32	.219	3/16	3	1/4	2  3/4	352223	113.70	.6911 -  .7220	162.10	137.95	129.80	125.95	121.75	118.50
.7500	3/4	.219	3/16	3	1/4	2  3/4	352224	115.10	.7221 -  .7530	163.60	139.35	131.20	127.35	123.25	119.90
.7812	25/32	.219	3/16	3	1/4	2  3/4	352225	115.55	.7531 -  .7840	164.15	139.85	131.80	127.70	123.70	120.35
.8125	13/16	.219	3/16	3	1/4	2  3/4	352226	116.55	.7841 -  .8160	165.25	140.85	132.80	128.80	124.75	121.40
.8438	27/32	.219	3/16	3	1/4	2  3/4	352227	117.45	.8161 -  .8470	165.95	141.55	133.55	129.55	125.45	122.15
.8750	7/8	.219	3/16	3	1/4	2  3/4	352228	118.60	.8471 -  .8780	167.00	142.75	134.75	130.75	126.55	123.35
.9062	29/32	.219	3/16	3	1/4	2  3/4	352229	119.30	.8781 -  .9090	167.85	143.65	135.60	131.60	127.45	124.10
.9375	15/16	.219	3/16	3	1/4	2  3/4	352230	120.45	.9091 -  .9410	169.05	144.85	136.70	132.70	128.65	125.25
.9688	31/32	.219	3/16	3	1/4	2  3/4	352231	121.30	.9411 -  .9720	169.80	145.55	137.55	133.50	129.45	126.05
1.0000	1	.219	3/16	3	1/4	2  3/4	352232	121.65	.9721 - 1.0030	170.25	145.95	137.85	133.85	129.70	126.40
1.0625	1  1/16	.219	3/16	3	3/8	2  3/4	352234	155.35	1.0031 - 1.0660	203.75	179.50	171.50	167.45	163.30	160.00
1.1250	1  1/8	.219	3/16	3	3/8	2  3/4	352236	165.70	1.0661 - 1.1280	214.20	190.00	181.95	177.95	173.80	170.45
1.1875	1  3/16	.219	3/16	3	3/8	2  3/4	352238	167.80	1.1281 - 1.1905	216.30	192.10	184.05	180.05	175.90	172.60
1.2500	1  1/4	.281	1/4	3	3/8	2  3/4	352240	170.95	1.1906 - 1.2530	219.60	195.25	187.05	183.10	179.15	175.75
1.3125	1  5/16	.281	1/4	3	3/8	2  3/4	352242	174.10	1.2531 - 1.3155	222.60	198.30	190.35	186.35	182.15	178.85
1.3750	1  3/8	.281	1/4	3	3/8	2  3/4	352244	176.10	1.3156 - 1.3780	224.70	200.55	192.45	188.30	184.30	180.90
1.4375	1  7/16	.281	1/4	3	3/8	2  3/4	352246	178.20	1.3781 - 1.4405	226.85	202.50	194.45	190.45	186.40	183.05
1.5000	1  1/2	.281	1/4	3	3/8	2  3/4	352248	187.65	1.4406 - 1.5030	237.95	212.80	204.40	200.25	195.95	192.55
1.5625	1  9/16	.343	5/16	3	1/2	3  1/16	352250	208.75	1.5031 - 1.5660	259.00	233.95	225.55	221.40	217.20	213.80
1.6250	1  5/8	.343	5/16	3	1/2	3  1/16	352252	211.45	1.5661 - 1.6280	261.80	236.65	228.40	224.20	219.95	216.35
1.6875	1 11/16	.343	5/16	3	1/2	3  1/16	352254	214.25	1.6281 - 1.6910	264.60	239.45	231.05	227.00	222.75	219.25
1.7500	1  3/4	.343	5/16	3	1/2	3  1/16	352256	217.55	1.6911 - 1.7530	267.90	242.60	234.30	230.15	225.95	222.55
1.8125	1 13/16	.343	5/16	3	1/2	3  1/16	352258	220.15	1.7531 - 1.8160	270.00	244.95	236.55	232.40	228.00	224.65
1.8750	1  7/8	.343	5/16	3	1/2	3  1/16	352260	221.75	1.8161 - 1.8780	272.10	246.95	238.50	234.50	230.15	226.65
1.9375	1 15/16	.343	5/16	3	1/2	3  1/16	352262	244.70	1.8781 - 1.9410	295.05	269.85	261.45	257.30	253.05	249.60
2.0000	2	.343	5/16	3	1/2	3  1/16	352264	304.50	1.9411 - 2.0030	354.95	329.75	321.35	317.25	312.95	309.45

Do you need special Aircraft Counterbores?

If you can't find the specific Aircraft 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 Aircraft Counterbores.

Thank you for using Lexington Cutter for your Aircraft Counterbores.