Mutual Screw & Supply

M4 X 4mm Socket Shoulder Screws | Socket Head | Socket Drive | 18/8 Stainless Steel (25 / Pkg.)

M4 X 4mm Socket Shoulder Screws | Socket Head | Socket Drive | 18/8 Stainless - Main image
$51.84 $86.4 In stock

M4 x 4mm socket shoulder screws in 18/8 Stainless Steel, with a precision-ground shoulder, socket head, and hex socket drive. Used as pivots, axles, and bearing surfaces.

  • Precision-ground shoulder
  • Socket (hex) drive
  • 18/8 Stainless Steel construction

Specifications

  • Shoulder Diameter: M4
  • Length: 4mm
  • Thread Size: M3
  • Material: 18/8 Stainless Steel
  • Package Quantity: 25
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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 (4.6 / 5 · 5 reviews)

Brian O. ★★★★★

I needed a few for a small robotics pivot joint, and the 18/8 stainless steel feels solidly machined. The hex drive seated perfectly without slipping, and all 25 screws came with clean, consistent threads.

Hannah S. ★★★★★

The precision-ground shoulder on these M4 screws made them perfect for a small bearing surface I was working on. They fit snugly into the hex socket without any wobble, and the stainless steel finish looks clean. Exactly what I needed for a fine pivot point.

Samuel N. ★★★★★

I used these M4 shoulder screws as pivot pins for a small jig, and the hex drive made installation really easy. The stainless finish is clean and hasn't shown any wear after a few weeks of use.