Twist Drill

45630
(NSN) National Stock Number
5133-01-443-6314
Federal Supply Classification
5133 Drill Bits, Counterbores and Countersinks: Hand and Machine
Item Name Code
05237
Schedule B Code
8205100000
Summary

2a thread class, right-hand thread direction, externally threaded w/hex nut shank style, 1.250 inches nominal overall length, 0.250 inches nominal thread diameter, general purpose cutting end style

DAC HCC DMIL RNCC
4 - - 3
RNVC SADC MSDS RNAAC
2 - - 9Z
Identification

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.

INC FIIG Concept Condition
05237 A188A0 - 1
Specifications
Thread Class
2a
Details A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.
Thread Direction
right-hand
Details The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.
Shank Style
externally threaded w/hex nut
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the shank.
Overall Length
1.250 inches nominal
Details The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
Nominal Thread Diameter
0.250 inches
Details The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.
Cutting End Style
general purpose
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the cutting end.
Nominal Cutting Diameter
0.1285 inches
Details A designation that is used for the purpose of general identification of the cutting size.
Cutting Rotation Direction
right-hand
Details The direction in which the item is designed to rotate in order to cut.
Flute Length
0.562 inches nominal
Details A measurement of the longest dimension of the flute,in distinction from width.
Flute Quantity
2
Details The number of flutes provided.
Point Type
split
Details Indicates the type of point(s) provided on the item.
Thread Quantity
28 per inch
Details The number of threads per specific measurement scale.
Point Angle
135.0 degrees nominal
Details The angle to which the point is formed,per specific measurement scale.
Special Features
threaded hex shank; wire size 30
Details Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.
Material
steel overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Thread Series Designator
unf
Details A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
TS18 30 16568 4 - 5 2 - ZZ
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A A -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
- - - -
RVC WCC TCC SHC
- - - -
Price and Availability Quote

Send us a quick request for quote using the form below:

Certified Supplier

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

  • Fast Quote Times
  • Qualified sales team
  • 100% Product Inspections
  • Counterfeit Parts Prevention
FAQs
Frequently asked questions for NSN 5133-01-443-6314
What is the NIIN of the NSN 5133-01-443-6314?
The National Item Identification Number (NIIN) of the NSN 5133-01-443-6314 is 01-443-6314
When the NSN 5133-01-443-6314 was assigned to the Federal Catalog?
It was assigned 27 years ago, on Mon, Apr 14, 1997
Does the NSN 5133-01-443-6314 contain any precious metals?
Does not contain precious metal
Does the NSN 5133-01-443-6314 contain any hazardous material?
No data in HMIRS
What is the ESD classification of NSN 5133-01-443-6314?
No known electrostatic discharge

Can't Find It

If you didn't find what you need, don't worry, we're here to help! Our team is ready to help you find exactly what you need. Click below to contact us.

Similar Products
Who we are?

We are one of the largest suppliers of National Stock Number (NSN) parts in the world. Here at NSN Equipment, we live on the cutting edge to give you the best service we possibly can.

And that service is why our customers return to us time and time again. Our credibility and our accolades only serve as testament to our industry-leading nature.

Contact
3555 Agricultural Center Dr.
St. Augustine, FL, 32092
United States
© 2025 NSN Equipment, Inc. All rights reserved.
Made in USA