Type 516 FractionalTools - Counterbores - Counterbores with a Taper Shank - Taper Shank Counterbores with 3 or 4 Flutes
| Chip Class | Material Machined | Tool Type |
|---|---|---|
| 20 | NON-FERROUS - LONG CHIPS | 516 or 518 |
| 40 | NON-FERROUS - SHORT CHIPS | 516 or 518 |
| 60 | CAST IRONS | 516 or 518 |
| 80 | LOW STRENGTH STEELS | 511 |
| 100 | MEDIUM STRENGTH STEELS | 511 |
| 120 | HIGH STRENGTH STEELS | 511 |
| 140 | HIGH TEMPERATURE ALLOYS | 516 or 518 |
Description
- Right spiral flutes
- Carbide tips brazed to tough hardened alloy steel body
- Tool diameter tolerance: plus .001", minus .000"
- Geometry and carbide grade appropriate for material being machined
- Carbide tips brazed to tough hardened alloy steel body
- Precision ground cutting edges
- USCTI
- Taper Shank No. refers to American Standard taper series (formerly Morse taper series) per ASME/ANSI B5.10
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
| Decimal Diameter | Fractional Diameter | Minimum Cut Diameter | Number Of Flutes | Overall Length | Pilot Hole Diameter | Taper Shank Number | EDP | Price | 1.7500 | 1 3/4 | 0.4890 | 4 | 8 1/8 | 7/16 | 4 | 51656 | $380.25 | 1.8125 | 1 13/16 | 0.4890 | 4 | 8 1/8 | 7/16 | 4 | 51658 | $450.10 | 1.8750 | 1 7/8 | 0.4890 | 4 | 8 1/8 | 7/16 | 4 | 51660 | $450.10 | 1.9375 | 1 15/16 | 0.4890 | 4 | 8 1/8 | 7/16 | 4 | 51662 | $491.75 | 2.0000 | 2 | 0.5510 | 4 | 8 3/8 | 1/2 | 4 | 51664 | $491.75 | 1.4375 | 1 7/16 | 0.4260 | 4 | 7 7/8 | 3/8 | 4 | 51646 | $262.15 | 1.5000 | 1 1/2 | 0.4260 | 4 | 7 7/8 | 3/8 | 4 | 51648 | $290.55 | 1.5625 | 1 9/16 | 0.4890 | 4 | 8 1/8 | 7/16 | 4 | 51650 | $312.20 | 1.6250 | 1 5/8 | 0.4890 | 4 | 8 1/8 | 7/16 | 4 | 51652 | $317.80 | 1.6875 | 1 11/16 | 0.4890 | 4 | 8 1/8 | 7/16 | 4 | 51654 | $380.25 | 1.1250 | 1 1/8 | 0.3530 | 3 | 6 3/8 | 5/16 | 3 | 51636 | $182.50 | 1.1875 | 1 3/16 | 0.3530 | 3 | 6 3/8 | 5/16 | 3 | 51638 | $188.65 | 1.2500 | 1 1/4 | 0.4260 | 4 | 6 5/8 | 3/8 | 3 | 51640 | $209.80 | 1.3125 | 1 5/16 | 0.4260 | 4 | 6 5/8 | 3/8 | 3 | 51642 | $224.80 | 1.3750 | 1 3/8 | 0.4260 | 4 | 6 5/8 | 3/8 | 3 | 51644 | $235.65 | 0.9062 | 29/32 | 0.2900 | 3 | 6 1/8 | 1/4 | 3 | 51629 | $180.90 | 0.9375 | 15/16 | 0.2900 | 3 | 6 1/8 | 1/4 | 3 | 51630 | $164.40 | 0.9688 | 31/32 | 0.3530 | 3 | 6 3/8 | 5/16 | 3 | 51631 | $185.10 | 1.0000 | 1 | 0.3530 | 3 | 6 3/8 | 5/16 | 3 | 51632 | $174.60 | 1.0625 | 1 1/16 | 0.3530 | 3 | 6 3/8 | 5/16 | 3 | 51634 | $176.90 | 0.7500 | 3/4 | 0.2900 | 3 | 5 3/8 | 1/4 | 2 | 51624 | $149.75 | 0.7812 | 25/32 | 0.2900 | 3 | 5 3/8 | 1/4 | 2 | 51625 | $167.55 | 0.8125 | 13/16 | 0.2900 | 3 | 5 3/8 | 1/4 | 2 | 51626 | $152.25 | 0.8438 | 27/32 | 0.2900 | 3 | 5 3/8 | 1/4 | 2 | 51627 | $176.00 | 0.8750 | 7/8 | 0.2900 | 3 | 5 3/8 | 1/4 | 2 | 51628 | $160.10 | 0.5938 | 19/32 | 0.2280 | 3 | 5 1/8 | 3/16 | 2 | 51619 | $153.45 | 0.6250 | 5/8 | 0.2280 | 3 | 5 1/8 | 3/16 | 2 | 51620 | $139.50 | 0.6562 | 21/32 | 0.2280 | 3 | 5 1/8 | 3/16 | 2 | 51621 | $162.00 | 0.6875 | 11/16 | 0.2280 | 3 | 5 1/8 | 3/16 | 2 | 51622 | $147.10 | 0.7188 | 23/32 | 0.2900 | 3 | 5 3/8 | 1/4 | 2 | 51623 | $164.70 | 0.4375 | 7/16 | 0.1820 | 3 | 4 1/16 | 5/32 | 1 | 51614 | $120.80 | 0.4688 | 15/32 | 0.2280 | 3 | 4 5/16 | 3/16 | 1 | 51615 | $146.70 | 0.5000 | 1/2 | 0.2280 | 3 | 4 5/16 | 3/16 | 1 | 51616 | $133.35 | 0.5312 | 17/32 | 0.2280 | 3 | 4 5/16 | 3/16 | 1 | 51617 | $149.35 | 0.5625 | 9/16 | 0.2280 | 3 | 4 5/16 | 3/16 | 1 | 51618 | $135.85 | 0.2812 | 9/32 | 0.1140 | 3 | 3 13/16 | 3/32 | 1 | 51609 | $133.50 | 0.3125 | 5/16 | 0.1140 | 3 | 3 13/16 | 3/32 | 1 | 51610 | $113.95 | 0.3438 | 11/32 | 0.1140 | 3 | 3 13/16 | 3/32 | 1 | 51611 | $140.45 | 0.3750 | 3/8 | 0.1820 | 3 | 4 1/16 | 5/32 | 1 | 51612 | $117.65 | 0.4062 | 13/32 | 0.1820 | 3 | 4 1/16 | 5/32 | 1 | 51613 | $132.90 | 0.2500 | 1/4 | 0.1140 | 3 | 3 13/16 | 3/32 | 1 | 51608 | $110.85 |