Carburetor Jet Tuning Carbide Drill Bit Set #75–#51 – 25pc, 1/8" Shank

Carburetor Jet Tuning Carbide Drill Bit Set – 25 Piece (#75–#51)

This precision 25-piece solid carbide drill set is designed for carburetor jet resizing and tuning applications.

Ideal for:

• Motorcycle carburetors
• Kart engines
• Small engine performance tuning
• Radio-controlled engines
• Custom jet modifications

Includes 1 Piece Each of these Sizes:

Included Sizes

#75 (.0210")
#74 (.0225")
#73 (.0240")
#72 (.0250")
#71 (.0260")
#70 (.0280")
#69 (.0292")
#68 (.0310")
#67 (.0320")
#66 (.0330")
#65 (.0350")
#64 (.0360")
#63 (.0370")
#62 (.0380")
#61 (.0390")
#60 (.0400")
#59 (.0410")
#58 (.0420")
#57 (.0430")
#56 (.0465")
#55 (.0520")
#54 (.0550")
#53 (.0595")
#52 (.0635")
#51 (.0670")

Specifications

• Solid carbide construction
• 1/8" (3.175mm) shank
• Precision ground
• Suitable for high-speed drilling
• Packaged in protective case

Why Carbide?

Carbide provides:

• Superior rigidity
• Clean, precise holes
• Minimal deflection in small diameters
• Long tool life when used properly

⚠️ Use light feed pressure. Carbide is rigid but brittle.

Frequently Asked Questions

Are these for enlarging brass carb jets?
Yes. These are commonly used to resize brass carburetor jets in motorcycles, karts, and small engines.

Are these fractional or numbered sizes?
These are numbered drill sizes #75 through #51.

Are they solid carbide or carbide tipped?
Solid carbide.