6-Tool Rack Front View zoom

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6-Tool Rack 3 zoom

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6-Tool Rack on AltMill 4×8 zoom

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6-Tool Rack on AltMill 4×8 zoom

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Side View ATC on 4×8 Rack Position 1 zoom

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6-Tool Rack on angle zoom

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ATC – Installing Rack 2 zoom

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ATC – 6-Tool Rack zoom

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6-Tool Rack Configuration 2 zoom

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6-Tool Rack Configuration zoom

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6-Tool Rack Front View zoom

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6-Tool Rack Front View
6-Tool Rack 3
6-Tool Rack on AltMill 4×8
6-Tool Rack on AltMill 4×8
Side View ATC on 4×8 Rack Position 1
6-Tool Rack on angle
ATC – Installing Rack 2
ATC – 6-Tool Rack
6-Tool Rack Configuration 2
6-Tool Rack Configuration
6-Tool Rack Front View
Full Screen

ATC Tool Rack (6 Tools)

$245.00

This 6 position Tool Rack lets you level up so you can go full automation mode with your Automatic Tool Changer. It can hold up to 6 tools or combine up to two tool racks to hold a maximum of 12 tools on  your AltMill. Plus, the rack can be easily removed to accommodate larger materials along with the integrated rack sensor to automatically switch tool pickup behaviour.

Each order comes with one (1) tool rack. Tool holders and ATC spindle sold separately. Compatible with AltMill CNCs only.

This Tool Rack is designed specifically for Sienci Labs’ Automatic Tool Changer.

Pre-orders now open. Expected delivery date to begin late February/early March 2026.

Description

  • Each order comes with one (1) tool rack, capable of housing 6 tools
  • Compatible with ISO20-35L tool holders
  • Compatible with AltMill CNCs only
  • Easily removable to allow machine through-travel during manual mode
  • A maximum of two tool racks – 12 tools total – can be housed at the back of an AltMill CNC (any size or model.)
  • Made from anodized aluminum and stainless steel construction, with custom molded tool forks

Some images are 3D renders of products. May not be exactly as shown. Some photos may contain items for illustrative purposes, such as spindles or CNCs.

Additional information

Weight 12 lbs
Dimensions 7 × 7 × 22 in

Measurements

Made from anodized aluminum and stainless steel construction, with custom molded tool forks.

Recommended Add-ons & Accessories

FAQs

Will this ATC rack work on other CNC machines?
No. It was designed exclusively for the AltMill. It will fit any size or model: MK1 or MK2; 2×4, 4×4 or 4×8.

Will non-Sienci Labs tool holders work on this rack?
Yes, most standard ISO20 tool holders are compatible with this tool rack.

How much travel will the tool rack take away from my AltMill?
You will loose some travel once the Tool Rack is installed. Here is the remaining area to play with:

  • 4×4: 43.5″
  • 2×4: 27.5″
  • 4×8: 99″

Warranty

Items such as our Tool Racks are covered under our 60-day warranty. Learn more.

Help & Resources