Mutual Screw & Supply

1-1/4-7 X 3-1/2" Hex Head Cap Screws | USA Made | Grade L9 Alloy Steel Yellow Zinc | Fully Threaded (8 / Pkg.)

1-1/4-7 X 3-1/2" Hex Head Cap Screws | USA Made | Grade L9 Alloy Steel Yellow - Main image
$241.21 $402.02 In stock

1-1/4-7 x 3-1/2" hex head cap screws for machinery, equipment assembly and general industrial fastening.

  • Grade L9 Alloy Steel Yellow Zinc construction
  • Fully Threaded
  • Hex head for wrench or socket drive
  • Made in the USA
  • Sold in packs of 8

Specifications

  • Thread Size: 1-1/4-7
  • Length: 3-1/2"
  • Threads Per Inch: 7
  • Material: Alloy Steel
  • Grade: Grade L9
  • Finish: Yellow Zinc CR+3
  • Thread Style: Fully Threaded
  • Pack Quantity: 8
Before you pay

Check the method and total at checkout.

When it ships

Allow for processing time as well as the journey to you.

Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

View policy
If you need a refund

Keep your order number and contact the store to start.

Please contact us for the refund processing timeframe before returning an item.

View policy
Delivery costs

Review the cost for your destination and chosen service.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy
Returning an item

Check the return conditions before sending anything back.

United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

View policy

Customer Reviews (4.8 / 5 · 5 reviews)

Mia A. ★★★★★

The yellow zinc coating on these cap screws looks great and seems like it will resist rust well. I used them to secure a heavy-duty bracket, and the fully threaded shaft gave me plenty of grip for a solid hold. Exactly the quality I expect from USA-made hardware.

Joshua Q. ★★★★★

These bolts threaded smoothly into tapped holes on our press brake, and the yellow zinc finish looks like it'll hold up well. For the price, getting a full 8-piece pack of USA-made Grade L9 hardware felt like a solid deal.

Henry ★★★★★

Used these to bolt down a heavy-duty press at the shop, and the Grade L9 alloy steel held up perfectly under torque without any stripping. The yellow zinc coating is a nice touch for resisting light rust in a humid garage.