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Worldwide distributor of NSN parts and consumables located in the USA.

Twist Drill

Model / MPN: 818 21 | NSN: 5133-00-065-0981
ITAR Registered seal

An end cutting tool having two or more cutting edges, and having helical flutes or grooves adjacent thereto for the admission of coolant and the ejection of cuttings or chips. It is used for drilling holes in various materials. Excludes drill, masonry (as modified); and drill, twist, bone. See also drill, pivot, jeweler's and drill, hardened steel, carbide tipped.

Product Details
NATO Stock Number
5133-00-065-0981
Sold in multiples of
DZ
DEMIL
NO
Shank Diameter
0.159 inches
Shank Style
Straight round
Overall Length
3.250 inches
Cutting End Style
General purpose
Cutting Diameter
0.1590 inches
Cutting Rotation Direction
Right-hand
Flute Length
2.125 inches
Flute Quantity
2
Point Type
Split
Point Angle
135.0 degrees
Material
Steel, cobalt high speed
Specification Data
80205-nas907 professional/industrial association standard
Nondefinitive Specification/std Data
J type and 21 size

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818 21 Cross Reference
  • NAS907 TYJSZ21
  • R18C21
  • 46691
  • 550 21
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  • NAS907
  • NAS907 TYJSZ21
  • 02-R18C-21
  • 3033A233
  • R18CO 21
  • 46691
  • 550 21