LBS Catalog
Multi-Flute Ball Nose End Mills
High Speed Steel Fractional/Single End/Bright
Packaging: All sizes are individually packaged.
Series 6420A 4-Flute Finishing End Mills (HSS)
Regular LengthCenter Cutting/Double End
Ball-Nose end mills have rounded end cutting edges. This style of end mill is available as a center cutting tool only. It is used where rounded details must be machined in a part (for example, a slot with a rouded bottom). It is also used where sharp ma- chined corners must be avoided. Ball nose end mills are also widely used for delicate cuts on contoured surfaces of molds and dies.
Cutting Tools
Shank Dia.
Length of Cut
Overall Length
6420A Item No.
Size
No. of Flutes
1/4”
3/8”
5/8”
2-7/16”
4
18390
5/16”
3/8”
3/4”
2-1/2”
4
18391
3/8”
3/8”
3/4”
2-1/2”
4
18392
1/2”
1/2”
1-1/4”
3-1/4”
4
18393
6420A
5/8”
5/8”
1-5/8”
3-3/4”
4
18394
3/4”
3/4”
1-5/8”
3-7/8”
4
18395
1”
1”
2”
4-1/2”
4
18396
Series 6430A Multi-Flute Ball Nose End Mills
Regular LengthCenter Cutting/Single End
Ball-Nose end mills have rounded end cutting edges. This style of end mill is available as a center cutting tool only. It is used where rounded details must be machined in a part (for example, a slot with a rouded bottom). It is also used where sharp ma- chined corners must be avoided. Ball nose end mills are also widely used for delicate cuts on contoured surfaces of molds and dies.
Shank Dia.
Length of Cut
Overall Length
6430A Item No.
Size
No. of Flutes
1/4”
3/8”
1-1/4”
3-1/8”
4
74519
Assortments A-12 Fasteners F-72
5/16”
3/8”
1-3/8”
3-1/8”
4
74520
3/8”
3/8”
1-1/2”
3-1/4”
4
74521
Cutting Tools C-325
1/2”
1/2”
2”
4”
4
74522
5/8”
5/8”
2-1/2”
4-5/8”
4
74523
Pipe Fittings P-541 Electrical E-704 Hydraulics H-745
6430A
5/8”
5/8”
3”
5-1/8”
4
74524
3/4”
3/4”
2-1/4”
4-1/2”
4
74525
3/4”
3/4”
3”
5-1/4”
4
74526
1”
1”
3”
5-1/2”
4
74527
1”
1”
4”
6-1/2”
4
74528
Abrasives AB-782 MRO M-833
2”
2”
6”
9-3/4”
6
74529
Tel: (225) 272-6200 Fax: (225) 272-7001
sales@lbsbr.com www.lightningboltandsupply.com
C-539
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