Mutual Screw & Supply

M21143/1-20 | Mil-Spec Dowel Pins | Alloy Steel (100 / Pkg.)

M21143/1-20 | Mil-Spec Dowel Pins | Alloy Steel (100 / Pkg.) - Main image
$15 $20 In stock

These dowel pins are manufactured from Alloy Steel. They are well suited to precise alignment of mating parts.

  • Material and finish: Alloy Steel
  • Applications: Precise alignment of mating parts

Specifications

  • Product type: Dowel Pins
  • Material: Alloy Steel
  • Finish: Plain
  • Measurement type: Imperial
  • Pack quantity: 100 per package

Please note: This item is excess stock and is sold non-cancelable, non-refundable, and non-returnable. Please call us with any questions about this item before ordering.

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)

Olivia P. ★★★★★

The alloy steel feels really solid for aligning transmission housings, and the mil-spec sizing makes them seat perfectly every time. I’ve used about half the pack so far with zero sticking or bending.

Jason N. ★★★★★

The tolerance on these alloy steel pins is spot-on—every one in the batch seated cleanly into my jig holes without any wobble. Was a bit worried about surface finish after opening the bag, but they're smooth and uniform all the way down.

Miles Z. ★★★★★

Needed a set of precise alignment pins for a jig build, and these alloy steel dowels slid right in with zero play. The 20-piece pack gave me plenty of spares for future projects, and the mil-spec finish is reassuringly smooth.