HPM Series End Mills are dynamically balanced for 3,000 SFPM for high velocity milling of aluminum. Security Safe-Plus locking system ensures operator safety in extreme applications. Coarse pitch design accommodates heavy feed rates with excellent chip evacuation. "J" polished MECA type inserts create smooth clean cutting action on al soft materials. Combination NAS-986 weldon shank can be used in most machine tool types

HPM Series End Mills

Geometry Specifications:
Axial: Positive Radial: Positive

HPM Series End Mills are dynamically balanced for 3,000 SFPM for high velocity milling of aluminum. Security Safe-Plus locking system ensures operator safety in extreme applications. Coarse pitch design accommodates heavy feed rates with excellent chip evacuation. "J" polished MECA type inserts create smooth clean cutting action on al soft materials. Combination NAS-986 weldon shank can be used in most machine tool types.

**HPM End Mill - Dimensional Specifications**
Product Number:	D	OD	S	L	A	DOC	Insert	Teeth	Maximum Recommend RPM
2.5HPMRWA5	2.50	2.50	1.25	3.75	90°	.625	MECA-63__J	2	4500
3.0HPMRWA5	3.00	3.00	1.25	3.75	90°	.625	MECA-63__J	2	4000
3.5HPMRWA5	3.50	3.50	1.25	3.75	90°	.625	MECA-63__J	2	3500
4.0HPMRWA5	4.00	4.00	1.25	3.75	90°	.625	MECA-63__J	2	3000
6.0HPMRWA5	6.00	6.00	1.25	3.75	90°	.625	MECA-63__J	2	2000

Milling Cutter Nomenclature

**Parts**
Insert I.C. & Thickness	Insert Number	Insert Lock	Lock Screw	Spring Pin	Lock Screw Wrench

.750 x .188	MECA-63__J	1619PF	1452	SPR PIN 1/8 x 3/8	1557-PT10
	"J" Polish

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Insert Nomenclature

**Starting Machining Parameters**
Material	SFPM	FPT	Primary	Secondary
Aluminum and Aluminum Alloy	1000 & Up	.005-.020	MECA-63__J GR LTC-21	N/A