XR90 Series End Mills

Geometry Specifications:

Axial: Positive
Radial: Negative

Generates a true 90° when using
the LECH dished and SECH-534
Flat Faced inserts

XR90 End Mills are a Multi-purpose positive/negative geometry cutter that optimizes horsepower utilization. This allows you to get the most from your low horsepower machines. Also, this cutter is designed to perform at accelerated spindle speeds.

Promotional XR 90 Kits Include:
• Choice of 10 Inserts with End Mill Kits
• 1 XR Application Guide
• 1 Torx® driver 1557-TX20
• 1 Protective Shop Cloth
• 1 Tube of Anti-seize
• 1 Extra Set of locking screws

**XR90 End Mill - Dimensional Specifications - click for Kits**
Product Number See Kit Order Number:	D	OD	S	L	A	DOC	Insert	Teeth
XRE1.50PN90SE5RW.75	1.50	1.50	0.75	4.25	0º	.540	SECH-534 LECH-534	2
XRE1.50PN90SE5RW1.00	1.50	1.50	1.00	4.50	0º	.540	SECH-534 LECH-534	2
XRE2.00PN90SE5RW1.25	2.00	2.00	1.25	4.50	0º	.540	SECH-534 LECH-534	3

Milling Cutter Nomenclature

**Parts**
Insert I.C. & Thickness	Insert Number Dished Face	Insert Number Flat Face	Insert Number Flat Face	Insert Number Dished Face	Torx Screw	Wrench

.625 x .188	SECH-534-10F	SECH-534	SECH-534W520	LECH-534-10F	3605-0001-0023	1557-TX20

Insert Nomenclature

**Starting Machining Parameters**
Material	SFPM	FPT	Primary	Secondary
PH Type Stainless Steel 17-4, 15-5, 13-8	500-1200	.003-.015	SECH-534-10F GR 606jRm	SECH-534W520 GR LTC-14
Austenitic Stainless Steel 302, 304, 316	400-1350	.003-.015	SECH-534-10F GR 586XRm	SECH-534W520 GR LTC-10
Titanium Alloy 3A1-2.5V, 5A16n-2Zr-1mo, 6A14V	120-325	.003-.015	SECH-534-10F GR 586XRm	SECH-534-10F GR LTC-10
Carbon Steel 1018, 1020, 1215	600-1500	.005-.020	SECH-534W520 GR 606jRm	SECH-534W520 GR LTC-14
Alloyed Steel 4130, 4340, 6150	400-1200	.005-.020	SECH-534W520 GR 606jRm	SECH-534W520 GR LTC-14
Tool Steel	350-1000	.005-.020	SECH-534W520 GR 606jRm	SECH-534W520 GR LTC-14
Nickel Based Material K-Monel, Inconel 625, A286	100-50	.003-.015	SECH-534-10F GR 586XRm	SECH-534-10F GR LTC-10
Aluminum 2024, 6061, 7072	900-4000	.003-.015	SECH-534-10F GR LTC-10	SECH-534-10F GR LTC-10