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Center Drill DIN333A, Right hand cutting

Manufacturing process: fully ground

Material: hss4341, hss9341, hssM2 
Flutes: straight flutes, spiral flutes
Finish: Bright, TiN
Diameter: 1-6.3mm
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Size (d) D (Body Diameter) L (Allover Length)
1 3.15 31.5
l.60 4 35.5
2 5 40
2.5 6.3 45
3.15 8 50
4 10 56
5 12.5 63
6.3 16 71

Center Drill DIN333B, Right hand cutting

Manufacturing process: fully ground

Material: hss4341, hss9341, hssM2 
Flutes: straight flutes, spiral flutes
Finish: Bright, TiN
Diameter: 1-6.3mm
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Size (d) D (Body Diameter) L (Allover Length)
1 4 31.5
l.60 6.3 35.5
2 8 40
2.5 10 45
3.15 11.2 50
4 14 56
5 18 63
6.3 20 71

ANSI B94.11M, Plain Type- standard length

Size (d)  D (Body Diameter) Allover Length
3/64" 1/8" 1-1/4"
5/64" 3/16" 1-7/8"
7/64" 1/4" 2"
1/8" 5/16" 2-1/8"
3/16" 7/16" 2-3/4"
7/32" 1/2" 3"
1/4" 5/8" 3-1/4"
5/16" 3/4" 3-1/2"

ANSI B94.11M, Plain Type- long length

Size (d)  D (Body Diameter) Allover Length
3/16" 5/64" 3"
3/16" 5/64" 4"
5/64" 3/16" 4"
5/64" 3/16" 5"
7/64" 1/4" 4"
7/64" 1/4" 5"
1/8" 5/16" 4"
1/8" 5/16" 5"
1/8" 5/16" 6"
3/16" 716" 5"
3/16" 7/16" 6"
7/32" 1/2" 5"
7/32" 1/2" 6"
1/4" 5/8" 6"
5/16" 3/4" 6"

ANSI B94.11M, Bell Type

Size (d) Body Diameter  Bell dia. Allover Length
3/64" 1/8" 0.1 1-1/4"
1/16" 3/16" 0.15 1-7/8"
3/32" 1/4" 0.2 2"
7/64" 5/16" 0.25 2-1/8"
5/32" 7/16" 0.35 2-3/4"
3/16" 1/2" 0.4 3"
7/32" 5/8" 0.5 3-1/4"
1/4" 3/4" 0.6 3-1/2"

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