Best Knife Blades Under $50 (2026)
We ranked blades by a composite value score using verified user ratings, pack size, blade type, and unit price to identify cost-effective options under $50
This roundup covers durable, value-oriented replacement and utility knife blades priced under $50, selected for common workshop, craft, and outdoor tasks. Picks were ranked by a value score combining user ratings, blade type (snap-off, precision, replacement packs), and pack size to highlight cost-effective options for different uses
Top Picks
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1
Outdoor Edge 3.5" RazorSafe replacement knife blades, 24-pack
replacement blades for Outdoor Edge 350 Series knives; quick, tool-free blade changes with durable, sharp edges. customers note ease of change and long-lasting sharpness
- 3.5" blade length
- RazorSafe replacement blades
- 24-piece value pack
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2
Outdoor Edge 3.5" RazorSafe Replacement Blades 24-pack
Replacement blades for 3.5" knife models, 24-piece set with drop-point, boning/fillet, and gutting blades. customers note razor sharp edge and easy blade changes for hunting season
- 24 blades in one pack
- mixed blade types for versatility
- factory heat-treated steel for edge retention
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3
X-ACTO Knife Blades #11, Fine Point, Pack of 100
Precision-crafted carbon blades with rust resistance for accurate cutting. Customers note good quality and value, effective for tasks like model building and trimming matte board
- precise fine point blades
- rust-resistant oxide coating
- large 100-pack
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4
OLFA 18mm heavy-duty snap-off replacement blades (50 blades)
OLFA 18mm heavy-duty black snap-off blades. crafted from Japanese tool steel and double-honed for sharpness. contains 50 blades with 400 segments; compatible with most 18mm knives. one customer insight notes sharpness and longevity
- contains 50 blades / 400 segments
- 25% sharper than standard blades
- Japanese tool steel, double-honed
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5
40Pcs 25mm SK2H Ultra Sharp Replacement Blades (4 Pack) for 25mm Box Cutters
Replaceable blades in a 40-piece set designed for 25mm retractable knives; SK2H carbon steel blades with sharp edge retention. Customers note sharpness and durability, plus good fit with Olfa knives
- SK2H blade hardness and edge retention
- includes 40 blades in convenient dispenser
- fits 25mm retractable knives
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6
DIYSELF Single Edge Razor Blades (800-pack) for Scraping
Industrial single-edge razor blades in 8 boxes of 100, individually wrapped for protection. A versatile option for box opening, crafting, and scraping; praised for value and utility by customers
- 800 blades total
- individually wrapped for protection
- shielded with kraft paper
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7
Replacement blades for FOD-2000 Fiber Drop Slitter (pack of 25)
Pack of 25 replacement blades for the FOD-2000 fiber drop slitter. Made from high-quality SK5 steel for durability and precise slitting. Users note good functionality and ease of use, with mixed views on cut depth
- compatibility with FOD-2000
- high quality SK5 steel
- pack of 25 blades
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8
18" Replacement Blade for 18" Laminate Floor Cutter
Replacement blade made of tungsten steel for 18" laminate floor cutter TC-460. Designed to maintain blade quality and ease of use, with mixed feedback on sharpness and durability
- tungsten steel blade
- designed for TC-460 compatibility
- improved ease of use