HPEM Series End Mill has through coolant capabilities (other than 0.750 diameter). Double positive geometry accommodates a broad range of workpiece materials. Engineered in a coarse pitch insert count to accommodate heavy feed rates. Standard CPEH-322.52 inserts provide excellent DOC to diameter ratios. Insert compatibility makes the HPEM an ideal companion tool to the HPSM series

HPEM Series End Mills

Geometry Specifications:
Axial: 5° Positive Radial: Positive
Shoulder: 90°

HPEM Series End Mill has through coolant capabilities (other than 0.750 diameter). Double positive geometry accommodates a broad range of workpiece materials. Engineered in a coarse pitch insert count to accommodate heavy feed rates. Standard CPEH-322.52 inserts provide excellent DOC to diameter ratios. Insert compatibility makes the HPEM an ideal companion tool to the HPSM series.

**HPEM Series - Dimensional Specifications**
Product Number	D	S	L	A	DOC	Insert	Screw	Teeth
0.75HPEMRW3	.75	.75	4.08	90°	.47	CPEH-322.52-4W	3605-0001-0022	1
1.00HPEMRW4	1.00	1.00	4.13	90°	.47	CPEH-322.52-4W	3605-0001-0021	2
1.25HPEMRW4	1.25	1.00	4.63	90°	.47	CPEH-322.52-4W	3605-0001-0021	3
1.50HPEMRW5	1.50	1.25	4.63	90°	.47	CPEH-322.52-4W	3605-0001-0021	3
2.00HPEMRW5	2.00	1.25	4.63	90°	.47	CPEH-322.52-4W	3605-0001-0022	5

Milling Cutter Nomenclature

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

.375 x .156	CPEH-322.52-4W	3605-0001-0021	1557-TX10
.375 x .156	CPEH-322.52-4W	3605-0001-0022	1557-TX10

Use Checkbox Selections for Multi-Select feature to work

Insert Nomenclature

**Starting Machining Parameters**
Material	SFPM	FPT	Primary	Secondary
Tool Steel, D2	250-350	.003-.012	CPEH-322.52-4WB GR LT-50	CPEH-322.52-4WB GR LTC-14
Medium Alloy Steel	300-700	.003-.012	CPEH-322.52-4W GR 606JRM	CPEH-322.52-4W GR LTC-14
Soft Alloy Steel	400-800	.003-.012	CPEH-322.52-4W GR 606JRM	CPEH-322.52-4W GR LTC-14