ASME B18.24

ASMEB1824 Cap Hexagon Head Screw

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Datasheet. ASME B18.24 specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

2a

Thread Direction
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.

RIGHT-Hand

Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

0.448in. and 0.562in. ⁓9/16"

Fastener Length
The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.

0.531in. and 0.562in. ⁓9/16"

Head Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.

hexagon

Head Height
A measurement from the bottom to the top of the head,in distinction from depth.

0.195in. and 0.211in. ⁓7/32"

Width Between Flats

0.489in. and 0.500in.

Hole Diameter
The length of a straight line which passes through the center of a hole,and terminates at the circumference.

0.060in. and 0.068in. ⁓5/64"

Nominal Thread Diameter
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.

0.312in. ⁓5/16"

Hole Quantity
The number of holes provided.

1

Hole Type
Indicates the type of hole(s) provided in the item.

drilled

Features Provided
Those features,not otherwise specified,which may be required for proper functioning of the item.

finished head

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

24

Minimum Tensile Strength
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.

150000 pounds per square inch

Hardness Rating
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.

32.0 rockwell c and 38.0 rockwell c

Hole Configuration Style
The style designation that most nearly corresponds to the appearance of the hole configuration.

hexagon flats

Material
The chemical compound or mechanical mixture properties of which the item is fabricated.

steel

Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.

sae grade 8 assn std single material response

Surface Treatment
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.

zinc and chromate

Surface Treatment Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

astm B633 ty 2 sc 3 assn std single treatment response

Thread Series Designator
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

unf

Nondefinitive Spec/std Data
The number,letter,or symbol that indicates the type,style,grade,class,and the like,of an item in a nonidentifying specification or standard.

2 type and 10p style

Answers.

What quantity is this sold in?

1HD

What class is the thread series?

Unf

What material is the cap hexagon head screw made of ?

Steel

What is the thread quantity per inch?

24

What is the inside hole diameter?

0.060 inches minimum and 0.068 inches maximum

What is the head style?

Hexagon

What is the thread length?

0.448 inches minimum and 0.562 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

2a

What is the NSN for ASME B18.24?

5305-01-273-1486

How is this classified for shipping?

Schedule B number: 7318152000
nmfc 093486
Bolts and bolts and their nuts or washers exported in the same shipment

What's the federal classification of ASME B18.24?

FSC 5305 ⁓ Screws

NSN 5305-01-273-1486 SCREW,CAP,HEXAGON HEAD

unf thread series zinc surface treated 24 thread quantity per inch 0.060" hole diameter hexagon head style 0.448" thread length right-hand 2a thread class

NIIN
012731486
NIIN Date
02/20/88
Schedule B
7318152000 
Name Code
18257
FIIG
A003B0
Item Weight
0.000lbs
Item Dimensions
--
QUP
Historical Price
$632.38 HD
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

1. ASME B18.2.1 Cage 05047
2. AES01F312562AW9AA7 Cage 05047
3. FF-S-85 Cage 81348
4. MS18153-30 Cage 96906
5. B1821BH031F056D Cage 80204

Major End Users Countries and entities

  • - Department of The Army 
  • - Department of The Navy 
  • - U.s. Marine Corps 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
Rating variable 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater 
Commodity (for shipments via water)
Metal hardware 
NMFC (national motor freight code)
093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3) 
UFC (universal freight code)
48950 

Similar by Design Other screws with similar characteristics

Nothing similar to this part number was found in our inventory

ASME B18.24 / Screw,cap,hexagon headWhat is the formal definition of this item?

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.