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CYBER MONDAY SALE - TODAY ONLY
FREE CUTTER WITH PURCHASE OF 20 INSERTS


Check out this video to watch the Mill 4-12KT in action:


For the first time in Carbide Depot's history, we are offering an exclusive Cyber Monday promotional sale. With the purchase of 20 pieces Kennametal Mill 4-12KT inserts, you will receive a FREE 2", 2.5", 3", or 4" Kennametal Mill 4-12KT milling cutter. To take advantage of this offer, simply add the universal-application inserts (KEN 6525756 Qty:20) to your cart and follow the online checkout procedure. On the payment page, enter the coupon code for the milling cutter of your choice listed in the table below ("2INCH", "2.5INCH", "3INCH", or "4INCH"). The inserts and milling cutter will ship together on Wednesday, December 4, from our warehouse in Alabama. Limit of one free milling cutter per customer. Available while supplies last.



Coupon Sku Name D1 D D4 D6 L Ap1 max Z (# of inserts) lbs max RPM
2INCH KEN 6524735 KT4D200Z05S075LN12L150 2 0.75 1.75 1.5 0.478 5 0.74 25700
2.5INCH KEN 6524736 KT4D250Z06S100LN12L175 2.5 1 2.188 1.75 0.478 6 1.38 22000
3INCH KEN 6524737 KT4D300Z08S100LN12L175 3 1 2.188 1.75 0.478 8 1.91 19600
4INCH KEN 6524738 KT4D400Z11S125LN12L200 4 1.25 2.875 2 0.478 11 3.32 16500



Sku Name LI S W cutting edges
KEN 6525756 LNGQ120608ERGEKT4 KC725M 0.512 in. 0.25 in. 0.527 in. 0.031 in. 4
13,00mm 6,35mm 13,39mm 0,8mm

Grade Information
Grade name: KC725M
Insert material: CARBIDE - PVD COATED
ISO range:
(chart) 
P30-40 M30-40 S30-40
ANSI range: C5-C7
Coating: TiAlN
Description: Coated carbide grade with an advanced PVD TiAlN coating. KC725M is a high-performance grade for milling steel, stainless steel, and ductile cast iron. The good thermal shock resistance of the substrate makes this grade ideal for both wet and dry machining. Primarily for use in general and heavy machining.

Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae)
10% 20% 30% 40% 50–100%
0.005 0.014 0.024 0.004 0.010 0.018 0.003 0.009 0.015 0.003 0.008 0.014 0.003 0.008 0.014

Recommended Starting Speeds [SFM]
Material Group KC725M
P 1 850 750 710
  2 720 620 520
  3 660 560 460
  4 590 490 390
  5 490 440 390
  6 430 330 260
M 1 560 490 440
  2 510 430 360
  3 380 330 260
S 1 110 100 80
  2 110 100 80
  3 150 110 80
  4 200 150 100

For other grade and corner radii options available from Kennametal, visit our LNGQ category. If you would like to select a different insert for this promotional offer, call us at 205-942-6005 to check availability.