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（RTT023）Adjustable counterbore drill router bit
$3.93 – $19.65
An adjustable counterbore drill is a versatile tool used in woodworking and metalworking applications. It is designed to create counterbored holes, which consist of a shallow larger-diameter recess that accommodates the head of a screw or bolt, allowing it to sit flush with or below the surface of the material.
Features:
- 100%Brand new and high quality .
- Using for hand making a drawer or other woodworking.
- Industrial quality router bits .
- Solid hardened steel bodies with anti kickback design.
- Build-up & heat resistant Teflon coating.
- Hook & Shear Angles: High hook & shear angles allow
- Cutters to slice smoothly into stock producing clean, splinter free.
- Bearing: Totally enclosed & lubricated.
Specifications:
- Item:45 Degree Lock Miter Router Bit
- Material: 45# steel
- Carbide tip: YG6X
- Shank Diameter: 8mm
- Balance: +/- .003″ tolerance
- Body: Solid Hardened Steel
- Blade: Industrial grade micro grain carbide
- Cutter: CNC ground to a 600 grit, mirror-like finish
- Detaild specification, pls check following photos.
| Common machine speed | |||
| Trimming machine | 10000-30000 rpm | electric router | First gear 9000 rpm 2nd gear 12000 rpm 15000 rpm in 3rd gear 19000 rpm in 4th gear 5th gear 23000 rpm |
| Vertical washing machine | Low speed range 12000 rpm High speed 24000 rpm |
Automatic engraving machine | Variable frequency up to 18000 rpm |
| Diameter or cutting height MM | Maximum speed/minute | Maximum feed speed MM/min | |
| Below 25 | 24000 | 5000 | |
| 25.1-35 | 18000 | 4000 | |
| 35.1–50 | 16000 | 3500 | |
| 50.1-60 | 14000 | 3000 | |
| 60.1—80 | 12000 | 2500 | |
| Above 80 | 10000 | 2000 |
| type | 8X8X2.8, 8X8X3.0, 8X8X3.2, 8X8X3.5, 8X8X4.0, 5PCS 8x8mm, 8X10X2.8, 8X10X3.0, 8X10X3.2, 8X10X3.5, 8X10X4.0, 5PCS 8x10mm |
|---|
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