Model: B1821BH125F500L

Socket Head Cap Screw

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 2.750 inches and 2.938 inches
Fastener Length
Between 4.812 inches and 5.000 inches
Head Style
Hexagon
Head Height
Between 0.749 inches and 0.813 inches
Width Between Flats
Between 1.812 inches and 1.875 inches
Locking Feature
Patch threads or strip threads
Internal Drive Style
W/o internal drive
Thread Diameter
1.250 inches
Thready Qty Per Inch (tpi)
12
Min. Tensile Strength (psi)
150000 pounds per square inch
Hardness Rating
32.0 rockwell c fastener and 38.0 rockwell c fastener
Material
Plastic polyamide locking feature
Material
Steel fastener
Material Specification
Sae j429 gr 8 assn standard single material response fastener
Surface Treatment
Cadmium fastener and chromate fastener
Surface Treatment Specification
Qq-p-416 type 2 cl 3 federal specification single treatment response fastener
Thread Series Designator
Unf
Nondefinitive Specification/std Data
2 type and 10p style and 8 grade
NSN
5305-01-284-9678
Part Number
B1821BH125F500L
Description
Screw,cap,socket Head
CAGE

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Part B1821BH125F500L NSN 5305-01-284-9678

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16282
FIIG:
A003B0
Concept No.:
App. Key:
SC
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
2.3000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
156600
UFC:
77670
LTL:
RATING VARIABLE
LCL:
--
WCC:
772
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment

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