5/16"-18 X 2-3/4" Hex Head Cap Screws Bolts, Coarse Thread, ASTM A354 Grade BD Alloy Steel, Yellow Zinc and Baked, B1821BH (supersedes MS90727F), DFARS

PART NUMBER:
MI006-51618X234-000300
Free Shipping Free ground shipping to the 48 contiguous US states.
Normal delivery time 2-3 days.
For more information, visit our Shipping and Deliveries page.
(No reviews yet) Write a Review
PACK QUANTITY PRICE PER PACK Availability SELECT NUMBER OF PACKS Add to cart
question By saving items to your Saved Items lists, you can quickly and easily organize and retrieve the parts that are important to you. Your can create and name as many lists as you require and add as many parts as you need to each of your lists.
  • Military grade fasteners are DFARS compliant and made in North America. Certifications available.
  • Hex cap screws are manufactured to tighter tolerances as compared to hex bolts.
  • The washer face under the head provides a precision bearing surface.
  • The chamfered point improves engagement with a nut or pre-tapped hole.
DIMENSIONAL ATTRIBUTES
  • Diameter (Nominal): 5/16"
  • Thread Pitch: 18
  • Diameter (Dimension): 0.3125"
  • Diameter (Minimum): 0.3065"
  • Diameter (Maximum): 0.3125"
  • Length (Nominal): 2-3/4"
  • Thread Length (Nominal): 0.875"
  • Across Flats (Basic): 1/2"
  • Across Flats (Minimum): 0.489"
  • Across Flats (Maximum): 0.500"
  • Head Height, Overall: 0.2031"
  • Head Height, Overall (Minimum): 0.195"
  • Head Height, Overall (Maximum): 0.211"
PRODUCT ATTRIBUTES
  • Category: Cap Screws
  • System of Measurement: Inch
  • Brand: Aspen Fasteners
  • Head Style: Hex Head
  • Head Style Detail: Washer Face
  • Head Markings: Material Grade Mark "BD"
  • Drive Style: External Hex Drive
  • Pitch: Coarse Thread
  • Thread Direction: Right-Hand Thread
  • Point: Chamfered Point
  • Material: Steel
  • Material Grade: Alloy Steel ASTM A354 Grade BD
  • Coating: Zinc Plated and Baked
  • Coating Color: Yellow
  • Origin: Made in U.S.A.
  • Standards and Specifications: ASME B18.2.1.BH, DFARS
Product UPC Code:
692559446035
cad_3d_viewer_url:
https://3d.aspenfasteners.com/viewer/?cad_model=obj/MI006-51618X234
Brand:
Aspen Fasteners
Shop by Application:
Military Grade Fasteners
Diameter (Nominal):
5/16"
Head Style Detail:
Washer Face
Pitch:
Coarse Thread
cad_3d_file_url:
https://3d.aspenfasteners.com/assets/obj/MI006-51618X234.zip
Shop by Material:
Steel
Shop by System of Measurement:
Inch
System of Measurement:
Inch
Across Flats (Minimum):
0.489"
Head Height, Overall:
0.2031"
Order:
Machine Thread Fasteners
Diameter (Maximum):
0.3125"
specifications_document_url:
https://www.aspenfasteners.com/content/2D_PDF/product77/MI006-51618X234.PDF
Diameter (Minimum):
0.3065"
Length (Nominal):
2-3/4"
Head Style:
Hex Head
Material:
Steel
Across Flats (Basic):
1/2"
Diameter (Dimension):
0.3125"
Standards and Specifications:
ASME B18.2.1.BH, DFARS
Across Flats (Maximum):
0.500"
Head Markings:
Material Grade Mark "BD"
Origin:
Made in U.S.A.
Thread Direction:
Right-Hand Thread
Head Height, Overall (Minimum):
0.195"
Thread Pitch:
18
Category:
Cap Screws
Point:
Chamfered Point
Drive Style:
External Hex Drive
Coating:
Zinc Plated and Baked
Material Grade:
Alloy Steel ASTM A354 Grade BD
Thread Length (Nominal):
0.875"
Product Class:
Externally Threaded Fasteners
Head Height, Overall (Maximum):
0.211"
Coating Color:
Yellow
POS:
MI006-51618X234-000300
  • Description
    • Military grade fasteners are DFARS compliant and made in North America. Certifications available.
    • Hex cap screws are manufactured to tighter tolerances as compared to hex bolts.
    • The washer face under the head provides a precision bearing surface.
    • The chamfered point improves engagement with a nut or pre-tapped hole.
    DIMENSIONAL ATTRIBUTES
    • Diameter (Nominal): 5/16"
    • Thread Pitch: 18
    • Diameter (Dimension): 0.3125"
    • Diameter (Minimum): 0.3065"
    • Diameter (Maximum): 0.3125"
    • Length (Nominal): 2-3/4"
    • Thread Length (Nominal): 0.875"
    • Across Flats (Basic): 1/2"
    • Across Flats (Minimum): 0.489"
    • Across Flats (Maximum): 0.500"
    • Head Height, Overall: 0.2031"
    • Head Height, Overall (Minimum): 0.195"
    • Head Height, Overall (Maximum): 0.211"
    PRODUCT ATTRIBUTES
    • Category: Cap Screws
    • System of Measurement: Inch
    • Brand: Aspen Fasteners
    • Head Style: Hex Head
    • Head Style Detail: Washer Face
    • Head Markings: Material Grade Mark "BD"
    • Drive Style: External Hex Drive
    • Pitch: Coarse Thread
    • Thread Direction: Right-Hand Thread
    • Point: Chamfered Point
    • Material: Steel
    • Material Grade: Alloy Steel ASTM A354 Grade BD
    • Coating: Zinc Plated and Baked
    • Coating Color: Yellow
    • Origin: Made in U.S.A.
    • Standards and Specifications: ASME B18.2.1.BH, DFARS
    Product UPC Code:
    692559446035
  • 3D Product View

Contact us for availability information on part number MI006-51618X234-000300. Please chat with us, call us, e-mail us, or use the form below. Our customer support team will find the best delivery options for you.

x