2-3/4" 24TPI U-Shank Metal Cutting Bi-Metal Jig Saw Blades 5PK

What it is:

The 48-42-2160 is a Milwaukee 2-3/4" 24 TPI bi-metal U-shank jig saw blade set (5-pack) designed for thin metal cutting.

Key specs:

• Blade length: 2-3/4 inches
• Teeth per inch (TPI): 24
• Material: Bi-metal
• Shank type: U-shank (universal fit)
• Quantity: 5 blades
• Application: Thin metal cutting

Key features:

• 24 TPI fine tooth design: Produces smoother, cleaner cuts in thin materials
• Bi-metal construction: Longer life than high-speed steel or carbon blades
• Fast, controlled cutting: Optimized tooth geometry for efficient metal cutting
• Designed for thin metals: Best performance on materials under ~1/8" thick
• Universal U-shank: Fits most jig saw brands

In plain terms:

This is a fine-tooth metal jigsaw blade.

Compared to other ones you’ve listed:

• 0120 (18 TPI): medium metal
• 2190 (14 TPI): thick metal
• 2160 (this – 24 TPI): thin metal / clean finish

Best for:

• sheet metal
• thin steel
• light-gauge materials
• precise cuts where finish matters

Simple takeaway:

• 48-42-2160 = thin metal cutting blade
• 24 TPI = fine, clean cuts (slower but smoother)
• Bi-metal = longer life + durability
• Ideal for precision work, not heavy cutting