New Arrivals/Restock

1/4"-20 x 1 1/4" (PT) Coarse Thread A307 Grade A Square Head Machine Bolt Low Carbon Steel Plain Finish Pk 100

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US$21.87 cheaper than the new price!!

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Product details

Management number 220317039 Release Date 2026/05/03 List Price US$14.58 Model Number 220317039
Category

PRODUCT SPECIFICATIONSPart #: 0000-111951Fastener Type: Square Head Machine BoltSize Description: 1/4"-20 x 1 1/4" (PT)Diameter/Nominal Size: 1/4"Length: 1 1/4"Wrench Size/Across Flats: 0.362-0.375"Width Across Corners: 0.498-0.530"Head Height: 0.156-0.188"Thread Pitch: 20Thread Pitch Type: CoarseThread Direction: RightThread Coverage: PartialSystem of Measurement: InchGrade: A (2)Material: Low Carbon SteelFinish: Plain Finish (No Plating)Head Type: SquareDrive Type: External SquareStandards Met: A307Average Piece Weight: 0.0202000 lbs.Square head bolts, or square head machine bolts offer a large bearing area for positive gripping; primarily used nowadays for aesthetic projects that create a rustic look or to match existing fasteners; comes in both fully threaded and partially threaded pitches. Square head bolts are sometimes selected over hex heads because the head will fit neatly in a channel.

  • Please see the specifications in the table below for full details. If you have any questions or doubts, or if your requirements include specific dimensions, please contact us prior to placing your order.
  • PICTURES ARE REPRESENTATIVE OF ITEM, BUT ARE NOT OF THE ACTUAL ITEM. Product dimensions, finish, head markings, thread length, stamping shape or forging shape, etc., may differ from picture. Products are guaranteed to meet the specifications to which they are manufactured. Specifications allow for tolerances in dimension and shape, which can vary from lot to lot.
  • ASMC Industrial Brand fasteners are guaranteed to be of the highest quality and are lot controlled, providing traceability to the manufacturer and raw material.
Brand ASMC Industrial
Head Type Square
Size Name 1/4"-20 x 1 1/4" (PT)
Item Weight 0.02 Pounds
Part Number 0000-111951
Thread Size 1/4"-20
Thread Type Unc
Drive System Square
Finish Types Matte
Grade Rating A (2)
Manufacturer ASMC Industrial
Thread Class 2A
Thread Style Right Hand Coarse
Fastener Size 1/4"-20 x 1 1/4" (PT)
Fastener Type Square Head Machine Bolt
Item Diameter 6.35 Millimeters
Item Hardness Grade 2
Material Type Low Carbon Steel
Exterior Finish Plain Finish (No Plating)
Number Of Items 100
Thread Coverage Partially Threaded
Screw Head Style Square
Manufacturer Grade High Quality
Compatible Groove Diameter 0.25 Inches

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