Best Duct Knife

14
Milwaukee 48-22-1920 Duct Knife
6.6

Our Top 20 Best Duct Knife list was created by The Man Post founder, Paul Crouch, to help users find products that are useful, affordable, and available. The list is updated every month.

Best Duct Knife

Malco DK6S Double-Sided Smooth and Serrated Duct Knife

$15.99  in stock
19 new from $15.99
Free shipping
Amazon.com
as of May 10, 2022 12:02 am

Features

  • Cushioned-Gripped Duct Knife (Serrated)
  • Puncture resistant nylon sheath included
  • Ergonomic cushioned handle offers comfortable sure grip
  • Serrated edge aids in cutting flex fiberglass wool duct

Klein Tools DK06 Knife, Serrated Stainless Steel Bladed Duct Knife for Flexible Duct and Duct Board in Sheath

$20.92
$15.97
 in stock
15 new from $15.97
Free shipping
Amazon.com
as of May 10, 2022 12:02 am

Features

  • Cuts duct board and flexible duct
  • Double-edged knife blade, fine edge on one side and serrated edge on the other
  • Puncture resistant nylon sheath with belt loop
  • Cushion-Grip handle for comfort

Midwest Tool & Cutlery Flex Duct Knife - 5" Blade with Contoured Wooden Handle & Nylon Sheath - MWT-FDK01, Stainless Steel

$13.60  in stock
2 new from $14.03
Free shipping
Amazon.com
as of May 10, 2022 12:02 am

Features

  • CONTOURED WOODEN HANDLE - For extreme comfort and durability
  • 5 INCH STAINLESS STEEL BLADE - Forged to be long lasting and durable, this combo tool is built for longevity
  • DOUBLE EDGE BLADE - Resharpenable standard and serrated edges which allow for cutting in both directions
  • SHEATH INCLUDED - Ripstop nylon sheath for safe storage
  • 100% USA MADE - This Midwest product is American made using premium grade steel and the highest quality components. The result is a reliable long lasting tool you can count on.

Midwest Tool and Cutlery Midwest Flex Duct Knife - 5" Blade with Rubberized Handle & Nylon Sheath - MWT-FDK02, Stainless Steel

$13.93  in stock
Amazon.com
as of May 10, 2022 12:02 am

Features

  • SLIP RESISTANT HANDLE - Rubberized tapered finger grip handle for comfort and safety
  • 5 INCH STAINLESS STEEL BLADE - Forged to be long lasting and durable, this combo tool is built for longevity
  • DOUBLE EDGE BLADE - Resharpenable standard and serrated edges which allow for cutting in both directions
  • SHEATH INCLUDED - Ripstop nylon sheath for safe storage
  • 100% USA MADE - This Midwest product is American made using premium grade steel and the highest quality components. The result is a reliable long lasting tool you can count on.

Estwing 5.5-Inch Fixed Blade Double-Edged Multi-Purpose Duct Knife with Serrated and Smooth Edges and Hard Nylon Sheath (42454)

$24.99  in stock
2 new from $24.99
Free shipping
Amazon.com
as of May 10, 2022 12:02 am

Features

Part Number42454

DA71000 KLENK TOOLS Dual Duct / Insulation Knife - Rosewood Handle

$17.55  in stock
2 new from $17.55
Free shipping
Amazon.com
as of May 10, 2022 12:02 am

Features

  • Stainless steel, 3mm blade, serrated on one edge and smooth on the other
  • A heavier and thicker blade than other duct knives.
  • Slim, reinforced, Ripstop nylon sheath included -- designed to hang from your belt.
  • Designed for the HVAC contractor but great for all construction trade professionals
  • Beautiful Rosewood handle with solid brass rivets.

Malco FDC1 Flex Duct Cutter With Wire Cutter

$44.38  in stock
22 new from $44.38
Free shipping
Amazon.com
as of May 10, 2022 12:02 am

Features

  • Built-in wire cutter
  • Double edged blade
  • Cuts from either direction
  • Fine honed blade
  • Pierces through outer skin and insulation

DA71010 KLENK TOOLS Ergonomic Dual Duct / Insulation Knife

$17.55  in stock
3 new from $17.55
Free shipping
Amazon.com
as of May 10, 2022 12:02 am

Features

  • Stainless steel, 3mm blade, serrated on one edge and smooth on the other
  • Longer, sharper and better other duct knives.
  • Slim, reinforced, Ripstop nylon sheath included -- designed to hang from your belt.
  • Designed for the HVAC contractor but great for all construction trade professionals

Klein Tools DK06 Serrated Duct Knife .#GH45843 3468-T34562FD676435

$30.25
$26.07
 in stock
3 new from $26.07
Amazon.com
as of May 10, 2022 12:02 am

Features

  • Klein Tools

Malco FDC3 Multi-purpose flex duct tool, 10.4 to 1.0

$89.45
$83.84
 in stock
6 new from $83.84
Free shipping
Amazon.com
as of May 10, 2022 12:02 am

Features

  • Built-in wire cutter
  • Double-edged knife blade
  • Tie tensioning mechanism
  • Cuts from either direction
  • Multi-purpose Flex Duct Tool

R. Murphy 4" Square Point Shoe Makers Cobbler Repair Leather Working. Green Handle Duct Knife for Scoring and Stripping and Cutting Duct Board 4SQGH

$24.95  in stock
3 new from $24.89
Free shipping
Amazon.com
as of May 10, 2022 12:02 am

Features

  • ✅ R Murphy Square Point Shoe Knife - 3-3/8 inch (8.6 cm) blade, 17 gauge (1.5 mm) steel and green hardwood handle.
  • ✅ developed for those artisans who cut, trim, or split leather, rubber and plastics.
  • ✅ The blade is made from 17 gauge (1.5 mm) chrome vanadium steel that has been hardened, ground, polished and honed to perfection.
  • ✅ Handles are made from selected hardwoods, stained green.
  • ✅ Proudly made in the USA

Supplying Demand 40062 86-40062 Wood Grip Duct Knife

$28.99
$26.99
 in stock
Amazon.com
as of May 10, 2022 12:02 am

Features

  • Comes in Supplying Demand packaging
  • Made in the USA
  • Blade length is roughly 3.37
  • Handle length is roughly 4.25
  • Total length is roughly 7.50

ALLEX Insulation Knife Wood Handle Japanese Stainless Steel 8 Inch Long Cut, Insulation and Styrofoam Cutter with Sheath, Serrated Sharp Duct Knife Tool, Made in JAPAN

$19.80  in stock
2 new from $19.80
Free shipping
Amazon.com
as of May 10, 2022 12:02 am

Features

  • Utility Insulation Cutting Tool: Utility Insulation Cutting Tool: It is an easy-to-use Japanese insulation cutter. This versatile knife is ideal for cutting various insulator materials, styrofoam, polyurethane foam, foam, glass wool, mineral wool, Rockwool, fiberglass insulation, etc. Both home DIY users and professional users can use this versatile knife. The handle is wooden, and it fits in your hand.
  • Razor Sharp Japanese Steel: The blade uses Japanese high-grade stainless steel. The excellent sharpness of the Japanese steel knife minimizes chips and provides a smooth cutting feel. Improves work efficiency even when cutting materials that are difficult to cut with a regular cutter.
  • Long and Serrated Blade: The 8 inch long blade can cut even large-sized and pipe shaped insulation materials. It has a unique wave blade edge (serrated blade) processing specialized for cutting heat-insulating materials and styrofoam.
  • Safety Blade Case: It comes with a blade cover that is convenient for safe carrying. You can also store it safely at home or in your workplace.
  • Overall Length: 13-3/4" / Blade Length: 8" / Blade thickness: 1.5 mm / Weight 5.64 oz / Made in JAPAN

Milwaukee 48-22-1920 Duct Knife

$30.00
$27.30
 in stock
13 new from $27.30
Amazon.com
as of May 10, 2022 12:02 am

Features

  • 48-22-1920 Duct Knife
  • The product is easy to use and easy to handle
  • The product is highly durable

Slice 10400 Box Cutter, 3 Position Manual Button with Ceramic Blade

$19.99
$18.61
 in stock
23 new from $18.61
Free shipping
Amazon.com
as of May 10, 2022 12:02 am

Features

  • 3-Position Manual Slider Button allows blade to stay locked in 3 positions (Fully extended blade, semi-protruding blade, Fully hidden blade)
  • Zirconium Oxide Ceramic Blade with Rounded Tip for Safety = Non-Conductive, Anti-Magnetic, Never Rusts, Chemically Inert (No Oil Coatings) + Stays Sharp Up To 10X Longer Than Steel Blades
  • 1 Slice Ceramic Blade = Up to 20 Metal Blades = Less Blade Changes = Less $$$ = Less Downtime = Less injuries + Simple No Tool Blade Change (Replacement SKU# 10404 or 10408)
  • Ceramic Blade only protrudes 1/2" - designed primarily for cutting corrugated packaging, foam, vinyl, boxes, cardboard, etc
  • To cut paper and thinner items please try the Slice 00116 Precision Cutter or 00100 Safety Cutter or use the Pointed Blades 10408

Hyde Tools 60780 Square Point Knife, 8-Inch by 1-Inch/14-Gauge Wood Handle

$17.13  in stock
7 new from $17.13
Free shipping
Amazon.com
as of May 10, 2022 12:02 am

Features

  • Hardened high carbon chrome vanadium steel blade
  • Ground and tempered to precise tolerances
  • Smooth hardwood handle
  • Blade is securely riveted and locked in place with a strong nickel plated ferrule

MILWAUKEE'S 48-22-1928 5 in. Hardline Fixed Blade Knife W/Sheath, 5"

$88.90  in stock
5 new from $88.90
Free shipping
Amazon.com
as of May 10, 2022 12:02 am

Features

  • HARDLINE Fixed Blade Knife W/Sheath

Linsen-outdoors Stainless Steel Garden Knife with 11 Inches Blade, Double Side Utility Sod Cutter Lawn Repair Garden Knife with Nylon Sheath, Red

$25.99  in stock
2 new from $25.99
Free shipping
Amazon.com
as of May 10, 2022 12:02 am

Features

  • DOUBLE SIDE GARDEN KNIFE - 2020 New garden knife with 11”/280mm blade (longer than other 8” blade), double sides available, one side with density serrations blade for fine trimming while the other side with sharp wave blade for quick trimming.
  • HIGH QUALITY MATERIAL - The garden knife is made of high quality stainless steel with superior performance, anti-rust, anti-corrosion to meet any outdoor environments, one-piece molding process to add more durability, sharp, built to last.
  • ERGONOMIC HANDLE - A nylon sheath is included to keep you from accident hurting and offer the garden knife best care. The ABS handle is with ergonomics design to fit the palm perfectly and increase grip,comfortable to hold and easy to use.
  • WIDELY APPLICATION - Blade Thickness 0.06 inch ; Overall Length: 16.5 inch; Our garden knife will be a great tool for cutting sod around overgrown sprinkler heads, lawn repairing, sod trimming, cutting mineral wool, trimming small bushes, meeting your various needs.
  • NO RISK PURCHASE - We’re committed to provide high quality garden supplies to easy your gardening work. Now purchase to get 30 days money back and 1 year warranty from our store, feel free to contact us if there is any issue with our new garden knife.

ALLEX Insulation Knife with Sheath Japanese Stainless Steel 8 Inch Long Cut, Insulation and Styrofoam Cutter with Blade Case, Serrated Sharp Duct Knife Tool, Made in JAPAN

$18.80  in stock
Amazon.com
as of May 10, 2022 12:02 am

Features

  • Utility Insulation Cutting Tool: It is an easy-to-use Japanese insulation cutter. This versatile knife is ideal for cutting various insulator materials, styrofoam, polyurethane foam, foam, glass wool, mineral wool, Rockwool, fiberglass insulation, etc. Both home DIY users and professional users can use this versatile knife. As it is a resin handle, it is very lightweight.
  • Razor Sharp Japanese Steel: The blade uses Japanese high-grade stainless steel. The excellent sharpness of the Japanese steel knife minimizes chips and provides a smooth cutting feel. Improves work efficiency even when cutting materials that are difficult to cut with a regular cutter.
  • Long and Serrated Blade: The 8 inch long blade can cut even large-sized insulation materials. It has a unique wave blade edge (serrated blade) processing specialized for cutting heat-insulating materials and styrofoam.
  • Safety Blade Cover: It comes with a blade cover that is convenient for safe carrying. You can also store it safely at home or in your workplace.
  • Overall Length: 13" / Blade Length: 8" / / Blade thickness: 1.5 mm / Weight 4 oz / Made in JAPAN

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