Mutual Screw & Supply

1/4-20 X 1-1/2" Hex Machine Bolts | 18/8 Stainless Steel | Partially Threaded (50 / Pkg.)

1/4-20 X 1-1/2" Hex Machine Bolts | 18/8 Stainless Steel | Partially Threaded - Main image
$7.3 $10 In stock

1/4-20 X 1-1/2" Hex Machine Bolts in 18/8 Stainless Steel. A hex head machine bolt with a partially threaded shank per ASME B18.2.1, providing an unthreaded grip length for bolted connections through clearance holes.

  • Partially threaded shank for a smooth bearing surface in the shear plane of bolted joints
  • Hex head for wrench-driven, high-torque installation
  • Stainless steel for superior corrosion resistance

Specifications

  • Type: Hex Machine Bolts
  • Head Style: Hex
  • Material: 18/8 Stainless Steel
  • Finish: Plain
  • Thread Size: 1/4-20
  • Length: 1-1/2"
  • Thread: Partially Threaded
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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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

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Customer Reviews (5.0 / 5 · 5 reviews)

Joshua L. ★★★★★

I needed a grip length for a metal bracket assembly, and the unthreaded shank on these 1-1/2" bolts was exactly right. The stainless steel feels solid, and the hex head grabbed my socket without slipping. A perfect choice for a clean, strong connection.

Samuel O. ★★★★★

The partially threaded shank made alignment in a tight bracket so much easier, and the stainless finish hasn't shown a hint of rust after a week in the damp garage. Exactly what I needed for a solid bolted connection.

Elizabeth ★★★★★

I've been using these stainless steel bolts for mounting brackets on a boat trailer, and the 18/8 material is holding up perfectly against saltwater exposure. The unthreaded grip length made assembly so much easier since the threads only start where I actually need them to lock in.