Part Number ASME-B18.2.1

Lag Screw
Description

Diameter is 1/4. Zinc plated screw with hexagonal head fastens metal to wood or wood to masonry. Commercial low-carbon steel screw has a gimlet point and screw threads.

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
asme-b18.2.1
Demil:
No
Shelf Life:
UOM:
NIIN:
001775542
NSN
National Stock Number:
5305-00-177-5542 5305001775542
TXT
Description:
Lag Screw
INC
INC
Item Name Code:
36433
MRC:
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.AASB
Fastener Length:
3.000 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK
Head Style:
Hexagon
MRC:
A measurement from the bottom to the top of the head,in distinction from depth.AASU
Head Height:
Between 0.150 inches and 0.188 inches
MRC:
None.AATB
Width Between Flats:
Between 0.437 inches and 0.438 inches
MRC:
The length of a straight line which passes through the center of the shoulder and terminates at the circumference.AATN
Shoulder Diameter:
0.237 inches first shoulder and 0.260 inches first shoulder
MRC:
The length of the enlarged portion of the shank on the item,in distinction from width or diameter.AATX
Shoulder Length:
0.094 inches first shoulder
MRC:
The maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.CQBC
Min. Tensile Strength (psi):
55000 pounds per square inch
MRC:
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM
Hardness Rating:
60.0 rockwell b
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of a nonmachine thread.CRGF
Nonmachine Thread Style:
Gimlet point (type a, ab or ba)
MRC:
The length of a straight line which passes through the center of the nonmachine threaded portion,and terminates at the circumference.CTYF
Nonmachine Thread Diameter:
0.250 inches
MRC:
The physical configuration of the unthreaded portion of a body adjacent to the head which is larger than the diameter of the shank.CWYB
Shoulder Shape:
Round first shoulder
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Stainless steel
MRC:
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.SFTT
Surface Treatment:
Zinc
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.STDC
Surface Treatment Specification:
Astm-b633 assn standard single treatment response

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