558 Series End Mills

Geometry Specifications:

Axial: N/A
Radial: N/A

558 Series Flat Bottom End Mill cutters have a unique single insert design offering two cutting edges maintaining a strong unit. We offer a wide range of small and medium diameters with various extensions available. The single insert design offers accurate repeatability after insert replacement.

**558 End Mill - Dimensional Specifications**
Product Number	D	S	C	L	F	Insert	Screw	Wrench
558E0050ASC4-S050R	.500	.500	1.250	3.562	N/A	LCEA / G-41.5__ ZCEA / G-41.5__	GWS 12	1557-TX15
558E0050BSC4-S050R	.500	.500	1.250	5.125	N/A	LCEA / G-41.5__ ZCEA / G-41.5__	GWS 12	1557-TX15
558E0050DSC4-S062RT	.500	.625	1.750	6.281	5°	LCEA / G-41.5__ ZCEA / G-41.5__	GWS 12	1557-TX15
558E0050CSC4-S050R	.500	.500	1.812	5.875	N/A	LCEA / G-41.5__ ZCEA / G-41.5__	GWS 12	1557-TX15
558E0062ASC5-S062R	.625	.625	1.375	5.500	N/A	LCEA / G-52__ ZCEA / G-52__	GWS 16	1557-TX15
558E0062BSC5-S062R	.625	.625	2.000	6.281	N/A	LCEA / G-52__ ZCEA / G-52__	GWS 16	1557-TX15
558E0075ASC6-S075R	.750	.750	1.750	4.500	N/A	LCEA / G-62__ ZCEA / G-62__	GWS 20	1557-TX20
558E0075BSC6-S075R	.750	.750	1.750	6.281	N/A	LCEA / G-62__ ZCEA / G-62__	GWS 20	1557-TX20
558E0075CSC6-S075R	.750	.750	2.375	6.875	N/A	LCEA / G-62__ ZCEA / G-62__	GWS 20	1557-TX20
558E0075ESC6-S075R	.750	.750	2.375	8.250	N/A	LCEA / G-62__ ZCEA / G-62__	GWS 20	1557-TX20
558E0075FSC6-S100RT	.750	1.000	3.000	9.437	3°	LCEA / G-62__ ZCEA / G-62__	GWS 20	1557-TX20
558E0100ASC8-S100R	1.000	1.000	1.750	6.281	N/A	LCEA / G-82.5__ ZCEA / G-82.5__	GWS 25	1557-TX25
558E0100BSC8-S100R	1.000	1.000	2.750	7.500	N/A	LCEA / G-82.5__ ZCEA / G-82.5__	GWS 25	1557-TX25
558E0100CSC8-S125RT	1.000	1.250	3.875	9.437	3°	LCEA / G-82.5__ ZCEA / G-82.5__	GWS 25	1557-TX25
558E0100DSC8-S100R	1.000	1.000	3.125	9.062	N/A	LCEA / G-82.5__ ZCEA / G-82.5__	GWS 25	1557-TX25

Milling Cutter Nomenclature

**Parts**
Insert IC & Thickness	Insert Number	Insert Number	Screw	Wrench

.500 x .098	ZCEG-4.51__	ZCEA-4.51__	GWS 12	1557-TX15
.500 x .098	LCEG-4.51__	LCEA-4.51__	GWS 12
.625 x .118	ZCEG-52__	ZCEA-52__	GWS 16
.625 x .118	LCEG-52__	LCEA-52__	GWS 16
.750 x .118	ZCEG-62__	ZCEA-62__	GWS 20	1557-TX20
.750 x .118	LCEG-62__	LCEA-52__	GWS 20	1557-TX20
1.000 x .157	ZCEG-82.5__	ZCEA-82.5__	GWS 25	1557-TX25
1.000 x .157	LCEG-82.5__	LCEA-82.5__	GWS 25	1557-TX25

Insert Nomenclature

**Starting Machining Parameters**
Material	SFPM	FPT	Primary	Secondary
Tool Steel, D2, P20	400-800	.003-.010	LCEA-__ / ZCEA-__ GR 606jRm	LCEA-__ / ZCEA-__ GR LTC-14
Stainless Steel 300 Series	300-600	.003-.010	LCEG-__ / ZCEG-__ GR 586XRm	LCEG-__ / ZCEG-__ GR LTC-10

**Application Specifications**
Type	Grade	Style	Application
"G"		Chip Breaker Insert	Soft gummy materials ie: aluminum, brass, low carbon steels and stainless.
"A"		Flat Face Insert	High Carbon and die and mold steel.
	586XRm	TiAlN-PVD Coated	Light roughing and finishing cuts in die and mold steels, and any finishing cuts in hard steels, and non-ferrous materials.
	606jRm	TiAlN-PVD Coated	Roughing low and high carbon steels, diemold steels, and ferrous materials.
	LTC-10	Class C2 Uncoated	Aluminum and non-ferrous materials.
	LTC-14	Class C5 Uncoated	Carbon steels and die and mold steels.