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CAT40 7/8" End Mill Holder, Standard 4.00" Gage Length, Standard 15,000 RPM Balanced With AD/B Coolant Supply. YG1 Part # AK012B

CAT40 7/8" End Mill Holder, Standard 4.00" Gage Length, Standard 15,000 RPM Balanced With AD/B Coolant Supply. YG1 Part # AK012B CAT40 7/8" End Mill Holder, Standard 4.00" Gage Length, Standard 15,000 RPM Balanced With AD/B Coolant Supply. YG1 Part # AK012B CAT40 7/8" End Mill Holder, Standard 4.00" Gage Length, Standard 15,000 RPM Balanced With AD/B Coolant Supply. YG1 Part # AK012B
YG-1 TOOL CO.
AK012B
AK012B
AK012B
0.8750" 7/8"
Weight: 3.97 LBS
Brand: YG-1 TOOL CO.
$106.99
(25% off)
$80.24
each
7/31/2026
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Technical Details & Downloads
Technical/Extra Information Catalog Page Catalog Page
Product Description

Cat40 7/8" End Mill Holder, Standard 4.00" Gage Length, 15,000 Rpm Balanced With Ad/B Coolant Supply. Yg1 Part # Ak012b

  • CAT Taper Shank Per ASME B5.50-2009-CAT
  • AT3 Or Better Accuracy On Shank Tapers
  • Concentric To 0.0002" T.I.R (At I.D.)
  • AD/B Coolant Supply: Coolant Thru The Spindle & DIN Coolant Thru The Flange.
  • Balanced At G6.3 To 15,000 RPM

This item is part of our complete offering of YG-1 Cutting Tools, trusted for high-performance CNC machining, consistent quality, and broad application coverage across milling, drilling, threading, tool holding, and indexable operations. Browse YG-1 End Mills for carbide and cobalt milling solutions, YG-1 Hole Making Tools for drills and reamers, YG-1 Threading Tools for taps and thread mills, YG-1 Tool Holders for dependable tool holding solutions, and YG-1 Indexable Tooling for productive insert-based machining. You can also visit our main YG-1 Cutting Tools page to shop the full line and compare sizes, coatings, and performance styles for your application.

Made in Korea, Republic of
Shipping & Delivery Options
VERNON HILLS, ILLINOIS, USA
  • UPS

Suncoast Shipping Deals

Min. order amount Shipping Option Special Rate Max Weight
$399.00 UPS Ground 1 – 4 Business days (Lower 48 States) $0.00 10 LBS
$25.00 UPS Ground 1 – 4 Business days (Lower 48 States) $8.99 15 LBS
$499.00 UPS Blue 2 Business Days $9.99 7 LBS
$399.00 UPS Blue 2 Business Days $13.99 5 LBS
$50.00 UPS Blue 2 Business Days $15.99 6 LBS
Note: Special vendor shipping deals are destination-based and may not be available in all ZIP codes. If this rate is not available for your shipping address, standard shipping options will be shown at checkout.
$25.00 MINIMUM ORDER
If Ordered By 3pm Eastern Standard Time YG Will Ship Same Business Day
Factory Stock
13
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Additional Product Details

Technical Details

Manufacturer
YG-1 TOOL CO.
Manufacturer Part Number
AK012B
Inside Diameter
0.8750" 7/8"
Country of Origin
Korea, Republic of
Series
15,000 RPM Balanced
Style
Standard Length
Shank Type
CAT40
Gage Length
4.00"
Coolant Through
AD/B Coolant Supply

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