Type 511 MetricTools - Counterbores - Counterbores with a Taper Shank - Counterbores with 3 or 4 Flutes for Steels

| Chip Class | Material Machined | Tool Type |
|---|---|---|
| 20 | NON-FERROUS - LONG CHIPS | 516 |
| 40 | NON-FERROUS - SHORT CHIPS | 516 |
| 60 | CAST IRONS | 516 |
| 80 | LOW STRENGTH STEELS | 511 |
| 100 | MEDIUM STRENGTH STEELS | 511 |
| 120 | HIGH STRENGTH STEELS | 511 |
| 140 | HIGH TEMPERATURE ALLOYS | 516 |
Description
- Right spiral flutes
- Carbide tips brazed to tough hardened alloy steel body
- Tool diameter tolerance: plus .001", minus .000"
- Precision ground cutting edges
- USCTI
- Taper Shank No. refers to American Standard taper series (formerly Morse taper series) per ASME/ANSI B5.10
- Steel cutting counterbores have secondary end relief on carbide for increased cutting edge strength
Modifications
- Modified tool diameter - priced below
- Cutting diameter reduced for step
- Corner chamfer or corner radius
- Shank whistle notch for set screw
- Smaller taper shank
Coatings available:
- TITANIUM NITRIDE - TiN
- TITANIUM CARBONITRIDE - TiCN
- ZIRCONIUM NITRIDE - ZrN
- AL TITANIUM NITRIDE - AITiN
Use
- Special steel cutting grade of carbide and appropriate tool geometry permit the machininng of steels, tough steel alloys, and cast steels
| Decimal Diameter | Tool Diameter Mm | Minimum Cut Diameter | Number Of Flutes | Overall Length | Pilot Hole Diameter | Taper Shank Number | EDP | Price | 1.4173 | 36.0 | 0.4260 | 4 | 7 7/8 | 3/8 | 4 | 511360 | $270.70 | 1.4567 | 37.0 | 0.4260 | 4 | 7 7/8 | 3/8 | 4 | 511370 | $298.30 | 1.4961 | 38.0 | 0.4260 | 4 | 7 7/8 | 3/8 | 4 | 511380 | $298.30 | 1.2205 | 31.0 | 0.4260 | 4 | 6 5/8 | 3/8 | 3 | 511310 | $218.85 | 1.2598 | 32.0 | 0.4260 | 4 | 6 5/8 | 3/8 | 3 | 511320 | $233.50 | 1.2992 | 33.0 | 0.4260 | 4 | 6 5/8 | 3/8 | 3 | 511330 | $233.50 | 1.3386 | 34.0 | 0.4260 | 4 | 6 5/8 | 3/8 | 3 | 511340 | $243.80 | 1.3780 | 35.0 | 0.4260 | 4 | 6 5/8 | 3/8 | 3 | 511350 | $243.80 | 1.0236 | 26.0 | 0.3530 | 3 | 6 3/8 | 5/16 | 3 | 511260 | $185.80 | 1.0630 | 27.0 | 0.3530 | 3 | 6 3/8 | 5/16 | 3 | 511270 | $185.80 | 1.1024 | 28.0 | 0.3530 | 3 | 6 3/8 | 5/16 | 3 | 511280 | $191.30 | 1.1417 | 29.0 | 0.3530 | 3 | 6 3/8 | 5/16 | 3 | 511290 | $197.25 | 1.1811 | 30.0 | 0.3530 | 3 | 6 3/8 | 5/16 | 3 | 511300 | $197.25 | 0.9252 | 23.5 | 0.2900 | 3 | 6 1/8 | 1/4 | 3 | 511235 | $173.25 | 0.9449 | 24.0 | 0.3530 | 3 | 6 3/8 | 5/16 | 3 | 511240 | $193.15 | 0.9646 | 24.5 | 0.3530 | 3 | 6 3/8 | 5/16 | 3 | 511245 | $193.15 | 0.9843 | 25.0 | 0.3530 | 3 | 6 3/8 | 5/16 | 3 | 511250 | $176.95 | 1.0039 | 25.5 | 0.3530 | 3 | 6 3/8 | 5/16 | 3 | 511255 | $185.80 | 0.8268 | 21.0 | 0.2900 | 3 | 5 3/8 | 1/4 | 2 | 511210 | $184.60 | 0.8465 | 21.5 | 0.2900 | 3 | 5 3/8 | 1/4 | 2 | 511215 | $184.60 | 0.8661 | 22.0 | 0.2900 | 3 | 5 3/8 | 1/4 | 2 | 511220 | $169.20 | 0.8858 | 22.5 | 0.2900 | 3 | 6 1/8 | 1/4 | 3 | 511225 | $189.20 | 0.9055 | 23.0 | 0.2900 | 3 | 6 1/8 | 1/4 | 3 | 511230 | $189.20 | 0.7283 | 18.5 | 0.2900 | 3 | 5 3/8 | 1/4 | 2 | 511185 | $159.05 | 0.7480 | 19.0 | 0.2900 | 3 | 5 3/8 | 1/4 | 2 | 511190 | $159.05 | 0.7677 | 19.5 | 0.2900 | 3 | 5 3/8 | 1/4 | 2 | 511195 | $176.25 | 0.7874 | 20.0 | 0.2900 | 3 | 5 3/8 | 1/4 | 2 | 511200 | $161.70 | 0.8071 | 20.5 | 0.2900 | 3 | 5 3/8 | 1/4 | 2 | 511205 | $161.70 | 0.6299 | 16.0 | 0.2280 | 3 | 5 1/8 | 3/16 | 2 | 511160 | $149.30 | 0.6496 | 16.5 | 0.2280 | 3 | 5 1/8 | 3/16 | 2 | 511165 | $170.95 | 0.6693 | 17.0 | 0.2280 | 3 | 5 1/8 | 3/16 | 2 | 511170 | $156.75 | 0.6890 | 17.5 | 0.2280 | 3 | 5 1/8 | 3/16 | 2 | 511175 | $156.75 | 0.7087 | 18.0 | 0.2900 | 3 | 5 3/8 | 1/4 | 2 | 511180 | $173.65 | 0.5315 | 13.5 | 0.2280 | 3 | 4 5/16 | 3/16 | 1 | 511135 | $158.85 | 0.5512 | 14.0 | 0.2280 | 3 | 4 5/16 | 3/16 | 1 | 511140 | $145.80 | 0.5709 | 14.5 | 0.2280 | 3 | 5 1/8 | 3/16 | 2 | 511145 | $162.75 | 0.5906 | 15.0 | 0.2280 | 3 | 5 1/8 | 3/16 | 2 | 511150 | $162.75 | 0.6102 | 15.5 | 0.2280 | 3 | 5 1/8 | 3/16 | 2 | 511155 | $149.30 | 0.4331 | 11.0 | 0.1820 | 3 | 4 1/16 | 5/32 | 1 | 511110 | $136.15 | 0.4528 | 11.5 | 0.2280 | 3 | 4 5/16 | 3/16 | 1 | 511115 | $162.05 | 0.4724 | 12.0 | 0.2280 | 3 | 4 5/16 | 3/16 | 1 | 511120 | $148.70 | 0.4921 | 12.5 | 0.2280 | 3 | 4 5/16 | 3/16 | 1 | 511125 | $148.70 | 0.5118 | 13.0 | 0.2280 | 3 | 4 5/16 | 3/16 | 1 | 511130 | $158.85 | 0.3346 | 8.5 | 0.1140 | 3 | 3 13/16 | 3/32 | 1 | 511085 | $157.00 | 0.3543 | 9.0 | 0.1820 | 3 | 4 1/16 | 5/32 | 1 | 511090 | $133.00 | 0.3740 | 9.5 | 0.1820 | 3 | 4 1/16 | 5/32 | 1 | 511095 | $133.00 | 0.3937 | 10.0 | 0.1820 | 3 | 4 1/16 | 5/32 | 1 | 511100 | $148.35 | 0.4134 | 10.5 | 0.1820 | 3 | 4 1/16 | 5/32 | 1 | 511105 | $136.15 | 0.2362 | 6.0 | 0.1140 | 3 | 3 13/16 | 3/32 | 1 | 511060 | $128.70 | 0.2559 | 6.5 | 0.1140 | 3 | 3 13/16 | 3/32 | 1 | 511065 | $151.10 | 0.2756 | 7.0 | 0.1140 | 3 | 3 13/16 | 3/32 | 1 | 511070 | $151.10 | 0.2953 | 7.5 | 0.1140 | 3 | 3 13/16 | 3/32 | 1 | 511075 | $130.75 | 0.3150 | 8.0 | 0.1140 | 3 | 3 13/16 | 3/32 | 1 | 511080 | $130.75 |
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