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SAT: 9:00AM - 3:00PM (EST)
Installing or replacing the deck on your utility trailer or car hauler, or mounting a tool box, winch or other accessory? These 1/4-20 x 2 1/2 inch star head screws are the high-strength trailer floor fasteners you need for a fast, hassle-free installation with no stripped threads. Just pre-drill a 7/32 pilot hole and secure the screw with a T30 star bit. The screws are black oxide-coated for corrosion resistance and manufactured from quality steel for durability. They are conveniently packaged 50 per box.
| ACQ Rated: | No |
|---|---|
| Callout Size: | 1/4-20 |
| Color: | Black |
| Diameter: | 1/4 in |
| Drive Style: | Torx™ |
| Fastener Length: | 2.5 in |
| Fastener Length (In): | 2.5 in |
| Fastener Plating: | None |
| Finish: | Black |
| FQA Compliant: | No |
| Grade Type: | Heavy Duty |
| Head Diameter: | 1/2 in |
| Head Drive Type: | Star |
| Head Shape: | Flat |
| Head Tool Size: | T27 |
| Heat Hardened: | No |
| Material: | Steel |
| Overall Length: | 2.5 in |
| Package Contents: | 50 Screws |
| Packaging Type: | Box |
| SAE or Metric: | SAE |
| Screw Grade: | Grade 5 |
| Screw Name: | Other |
| Screw Style: | Metal To Metal |
| Screw Type: | Flat Head |
| Self Drilling: | No |
| Self Tapping: | No |
| Shank Diameter: | 1/4 in |
| Shank Length: | 2.5 in |
| Size Number: | #14 |
| Specialty: | No |
| Thread Direction: | Clockwise (Right) |
| Thread Length: | 2.5 in |
| Thread Size: | 1/4 |
| Thread Type: | Coarse |
| Type: | Machine |
| Washer Attached: | No |
| Package Quantity: | 50 |
Buy with confidence – If you encounter any issues with your Dorman product, simply reach out to us. We are committed to ensuring your satisfaction and will assist with any return or exchange requests that meet our policy guidelines.
Dorman is a trusted leader in OE-style replacement parts, offering precision-engineered solutions for reliable performance. Each part undergoes rigorous testing to ensure durability, safety, and a seamless fit. Designed as a cost-effective alternative to OEM parts, Dorman provides high-quality replacements backed by expert engineering. Choose Dorman for dependable, long-lasting automotive solutions.
We assure you that we ship all the parcels received on the same day till 12 pm standard central time.
We send shipment tracking numbers via email. It is sent to the email address you provided in your order. If you would like to change the email address you provided, Feel free to contact our support team at (support@part-synergy.com).
We are here to serve you. If there is any item that is damaged or needs to be exchanged or returned for any reason, please contact our support team(support@part-synergy.com). Please read our return and exchange policy to learn more about this.
All orders are free of shipment costs. The cost mentioned on the website is for getting it to your doorstep.
Please do get in touch with our customer support as they may be able to provide you with a return label which will cost you much less. But if you still need to send an item back, here is our shipping address.

| 1 Day | 2 Days | 3 Days | 4 Days | 5 Days | 6 Days | 7+ Days | |
|---|---|---|---|---|---|---|---|
| If Picked Up On | Will be delivered by | ||||||
| Monday | Tue | Wed | Thu | Fri | Mon@ | Tue@ | Wed= |
| Tuesday | Wed | Thu | Fri | Mon | Tue@ | Wed@ | Thu= |
| Wednesday | Thu | Fri | Sat | Tue | Wed@ | Thu@ | Fri= |
| Thursday | Fri | Sat | Sun^ | Wed | Thu@ | Fri@ | Mon= |
| Friday | Sat | Sun^ | Mon | Thu | Fri@ | Mon@ | Tue= |
| Saturday | Tue* | Wed | Thu | Fri | Mon@ | Tue@ | Wed= |
| Sunday | Tue** | Wed | Thu | Fri | Mon@ | Tue@ | Wed= |
*Sunday^ delivery if the shipper is enrolled in weekend spotted trailer pickups
**Monday delivery if the shipper is enrolled in weekend spotted trailer pickups
^Monday if not a Sunday eligible ZIP code
@ The following week
= Earliest possible delivery the following week
This map illustrates service schedules in business days as of April 2022 for FedEx Home Delivery shipments
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The Service Maps and charts are a general representations of transit. For more accurate transit quotes visit Shipping Rates and Delivery Times on fedex.com
Please Note: Packages picked up from a residence may have one additional transit day. For faster returns please drop off at a staffed FedEx location.