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Kai 5045BL 45mm Tungsten Steel Rotary Replacement Blade – High-Precision Edge for Quilting & Sewing

Kai 5045BL 45mm Tungsten Steel Rotary Replacement Blade – High-Precision Edge for Quilting & Sewing

5045BL

Kai 45mm Rotary Replacement Blade (#5045BL), a premium cutting solution for high-precision textile work.

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  • Description
  • Features
  • Specifications
  • Application

Kai #5045BL 

is a professional grade 45mm rotary blade engineered for longevity and effortless cutting. Crafted from high-carbon tungsten steel, this blade maintains a razor-sharp edge significantly longer than standard steel alternatives. Designed to fit most major 45mm rotary cutters, it provides smooth, precise cuts through multiple layers of fabric, paper, and leather, making it an essential tool for serious quilters and garment makers. 

  • Quilting: Accurate cutting of strips, squares, and complex geometric shapes. 
  • Dressmaking: Trimming seam allowances and cutting out patterns in lightweight to medium fabrics. 
  • Crafting: Precision slicing of cardstock, vinyl, and leather for DIY projects. 
  • Industrial Use: Ideal for sample rooms requiring consistent, repeat cuts across various textile types. 
  • Premium Tungsten Steel: Forged from specialty high-carbon steel for maximum durability and edge retention. 
  • Universal Compatibility: Designed to fit Kai, Olfa, Fiskars, and Clover 45mm rotary cutters. 
  • Clean, Multi-Layer Cutting: Effortlessly slices through up to 6 layers of fabric at once without snagging or skipped cuts. 
  • Micro-Honed Edge: The precision-ground blade ensures a professional finish on delicate silks and heavy denims alike. 
  • Quick Replacement: Standard arbor hole design allows for fast, tool-free blade changes on compatible cutters. 
  • Brand: Kai 
  • Model Number: 5045BL 
  • Blade Diameter: 45mm 
  • Material: Tungsten SKS-7 Steel 
  • Thickness: 0.3mm 
  • Quantity: 1 Blade per pack (also available in bulk packs) 
  • Country of Origin: Vietnam (engineered by Kai Japan) 

JUKI DDL-8700 FAQs

What kind of needles do you use in the DDL-8700?

The needles with your JUKI are the Organ DBx1, available on our website. This machine uses size 16×257, size 8 through 20 or 16×97. The 8700 can also use standard needles, sizes 9 through 21, universal or fabric-specific needles such as knit.

Where does the machine oil go?

A pan directly underneath the machine supplies oil to the machine with a cotton wick. Lift the machine up and over to access the oil tank while on the table. You must keep the machine’s oil level consistently at the «high» mark, either by adding more oil or draining it and refilling it as needed. If the oil pump can’t get the oil into the machine, it can cause serious problems later.

What kind of oil does this machine require?

You need a specific type, like motor oil in your car, to keep this machine running. The DDL-8700 requires JUKI New Defrix Oil No.1, equivalent to ISO VG7.

What size table can I get with this machine?

Our table has legs and is 22"w x 47"l. It includes a knee and foot pedals and a left-hand drawer for accessories.

Does the DDL 8700 make buttonholes?

No. The 8700 only does straight stitching, with a horizontal bar on the right side for a reverse stitch.

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