1/4"-28 X 3" Hex Head Cap Screws Bolts, UNF Fine Thread, ASTM A354 Grade BD Alloy Steel, Yellow Zinc and Baked, DFARS

PART NUMBER:
MI007-1428X3-000850
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.
  • In general, fine thread fasteners are about 10% stronger than coarse threads under static loading.
DIMENSIONAL ATTRIBUTES
  • Diameter (Nominal): 1/4"
  • Thread Pitch: 28
  • Diameter (Dimension): 0.25"
  • Diameter (Minimum): 0.245"
  • Diameter (Maximum): 0.250"
  • Length (Nominal): 3"
  • Thread Length (Nominal): 0.75"
  • Across Flats (Basic): 7/16"
  • Across Flats (Minimum): 0.428"
  • Across Flats (Maximum): 0.438"
  • Head Height, Overall: 0.1563"
  • Head Height, Overall (Minimum): 0.150"
  • Head Height, Overall (Maximum): 0.163"
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: Fine 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:
692559447193
Head Height, Overall (Maximum):
0.163"
Order:
Machine Thread Fasteners
Thread Direction:
Right-Hand Thread
Brand:
Aspen Fasteners
Diameter (Nominal):
1/4"
cad_3d_viewer_url:
https://3d.aspenfasteners.com/viewer/?cad_model=obj/MI007-1428X3
Shop by System of Measurement:
Inch
Head Markings:
Material Grade Mark "BD"
Material:
Steel
Material Grade:
Alloy Steel ASTM A354 Grade BD
Product Class:
Externally Threaded Fasteners
Origin:
Made in U.S.A.
Shop by Material:
Steel
Diameter (Minimum):
0.245"
Across Flats (Minimum):
0.428"
Thread Length (Nominal):
0.75"
Length (Nominal):
3"
Diameter (Maximum):
0.250"
Drive Style:
External Hex Drive
Across Flats (Maximum):
0.438"
Head Height, Overall (Minimum):
0.150"
Category:
Cap Screws
Head Style Detail:
Washer Face
Coating:
Zinc Plated and Baked
Coating Color:
Yellow
Point:
Chamfered Point
specifications_document_url:
https://www.aspenfasteners.com/content/2D_PDF/product77/MI007-1428X3.PDF
Across Flats (Basic):
7/16"
System of Measurement:
Inch
Thread Pitch:
28
Shop by Application:
Military Grade Fasteners
Pitch:
Fine Thread
Head Style:
Hex Head
Standards and Specifications:
ASME B18.2.1.BH, DFARS
Diameter (Dimension):
0.25"
cad_3d_file_url:
https://3d.aspenfasteners.com/assets/obj/MI007-1428X3.zip
Head Height, Overall:
0.1563"
POS:
MI007-1428X3-000850
  • 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.
    • In general, fine thread fasteners are about 10% stronger than coarse threads under static loading.
    DIMENSIONAL ATTRIBUTES
    • Diameter (Nominal): 1/4"
    • Thread Pitch: 28
    • Diameter (Dimension): 0.25"
    • Diameter (Minimum): 0.245"
    • Diameter (Maximum): 0.250"
    • Length (Nominal): 3"
    • Thread Length (Nominal): 0.75"
    • Across Flats (Basic): 7/16"
    • Across Flats (Minimum): 0.428"
    • Across Flats (Maximum): 0.438"
    • Head Height, Overall: 0.1563"
    • Head Height, Overall (Minimum): 0.150"
    • Head Height, Overall (Maximum): 0.163"
    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: Fine 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:
    692559447193
  • 3D Product View

Contact us for availability information on part number MI007-1428X3-000850. 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