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Set of fifteen brass collets and a metal keyless chuck in silver finish

NSI

NSI 15 PCS Drill Chuck Collet Set 0.8-3.2mm Keyless Chuck 4486 4485

SKU CH-4MVH-57A4N

A 15-piece collet and keyless chuck kit covering 0.8–3.2 mm shanks for Dremel rotary tools

  • Labor warranty1 Year
  • Size or dimensions0.5 mm~3.2 mm(0.5, 0.8, 1.0, 1.2, 1.5, 1.8, 2.0, 2.4, 3.0, .
  • Main materialMetal+Brass
  • Product typeElectric Drills
  • Parts warranty1 Year
  • Secure grip from keyless chuck spring preventing bit release
  • Wide shank range 0.5mm to 3.2mm covers 15 collet sizes
  • Brass collets resist wear and hold bits firmly at speed
  • All-metal nuts replace plastic for durability and stability
  • Compatible with Dremel rotary tools for drilling sanding polishing cutting

15-Piece Drill Chuck Collet Kit for Dremel

This NSI set supplies 15 collets covering shank diameters from 0.5 mm to 3.2 mm, plus a keyless chuck and brass collets with metal nuts. It is designed for owners of Dremel rotary tools who need a complete range of bit holders in one package.

Shank Range 0.5 mm to 3.2 mm

The collets accept accessories from 1/32 inch up to 1/8 inch, covering drill bits, sanding drums, polishing wheels, wire brushes and cut-off wheels. Light-duty tasks are well supported, but heavier cutting or high-torque drilling will exceed the holding capacity of these small shanks.

Keyless Chuck with Brass Collets and Metal Nuts

The spring-loaded keyless chuck secures bits without tools, while brass collets resist wear and metal nuts avoid the breakage common with plastic versions. In normal rotary-tool use the assembly runs cool and quiet, adding minimal vibration to the hand piece.

How it compares

Measured against everything we stock in Power Drills, Drivers & Cutting Bits, at today’s prices. Recalculated every night.

Price $14.99
Cheaper than about 89% of the 2,412 comparable items (median $81.99).

Specifications

Product
Brand nameNSI
Product typeElectric Drills
Size & build
Size or dimensions0.5 mm~3.2 mm(0.5, 0.8, 1.0, 1.2, 1.5, 1.8, 2.0, 2.4, 3.0, .2)
Main materialMetal+Brass

Questions about this item

Will the 4486 keyless chuck fit the collets from my older Dremel rotary tool?

The 4486 keyless chuck accepts shank sizes from 1/32" to 1/8" and works with the included 4485 brass collets in sizes .5, .8, 1.0, 1.2, 1.5, 1.8, 2.0, 2.4, 3.0, and 3.2mm.

How can I confirm the 4486 keyless chuck is gripping bits securely after I install it?

The built-in spring in the 4486 keyless chuck provides a positive lock; test by hand-tightening a bit and verifying it does not pull out under light pressure before starting the rotary tool.

Does the 15-piece set include the 4486 keyless chuck, 4485 brass collets, and metal nuts, or must I buy any of those separately?

The 15-piece set contains the 4486 keyless chuck, ten 4485 brass collets (.5 to 3.2mm), and the required metal nuts — no extra components are needed for operation.

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