Magnum

Magnum 1/4 to 3/4 Inch 82-Degree Precision Indexable Countersink (CSI1434)

SKU: MAG-CSI1434 Model Number: 380-4110
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Achieve perfect countersinks in smaller workpieces without the hassle of sharpening high-speed steel bits. The Magnum CSI1434 handles hole diameters from 1/4" to 3/4" and uses indexable carbide inserts for consistent performance. The 82-degree angle is the shop standard for flat-head imperial fasteners, ensuring a clean, flush finish. It is ideal for fabricators who need a reliable tool that maintains its geometry throughout long production runs in tough alloys.

Features

  • Rotatable Carbide Edges - simply turn the insert to a fresh side to maintain cutting speed and finish quality.
  • Compact Range - optimized for smaller holes from 1/4" to 3/4", providing better clearance in tight work areas.
  • High-Rigidity Steel Body - absorbs vibration to prevent chatter and ensure a smooth chamfered surface.

Specifications

  • Range: 1/4" - 3/4" (6.35 mm - 19.05 mm)
  • Angle: 82 Degrees
  • Insert Type: Indexable Carbide
  • Supplier Part Number: CSI1434
  • KMS Product Code: MAG-CSI1434

Common Shop Applications

  • Chamfering screw holes in aluminum or steel brackets.
  • Deburring internal diameters on small-bore tubing.

Recommended Shop Add-Ons

  • Don't forget: Replacement Carbide Inserts - ensure you always have a sharp edge ready for high-volume work.
  • Most machinists also grab: Center Drill Set - use these to start your holes accurately before countersinking.

Frequently Asked Questions

Q: What is the benefit of indexable over solid HSS? A: Indexable tools maintain a constant length and never need re-sharpening; you simply replace the low-cost carbide edge.

Q: Will this work in a standard 1/2" chuck? A: Yes, the shank is sized to fit standard industrial drill chucks and tool holders.

Manufacturer
Magnum
Manufacturer SKU
380-4110