Online Countersinking Services

Increase the life of your hardware and create clean, high-quality parts with our online countersinking service.

Add our online countersinking service and we’ll drill conical holes that allow hardware to sit flush when joining your parts, improving appearances and longevity.

Starting from $9 at just $3 per hole, countersinking is an easy and affordable way to upgrade your laser cut parts!
Online countersinking services from SendCutSend

Fast, accurate, and affordable online countersinking services

Starting at just $3 per hole and with accuracy within +/- 0.015″, you’ll never need or want to countersink parts yourself again.

Easily order countersinkig online with SendCutSend
Easily order countersinkig online with SendCutSend
No minimum quantities from SendCutSend
Quantity Discounts

Order 1 or 1,000+. Get up to 70% off when you order in bulk.

No minimum quantities from SendCutSend
Quantity Discounts

Order 1 or 1,000+. Get up to 70% off when you order in bulk.

SendCutSend's parts builder makes order simple parts easy
Multiple ways to order

Upload your CAD file, or use our Parts Builder and choose from a variety of templates.

SendCutSend's parts builder makes order simple parts easy
Multiple ways to order

Upload your CAD file, or use our Parts Builder and choose from a variety of templates.

Fast, Free shipping from SendCutSend
Free shipping!

Free anywhere in the USA, and only $19 to Canada.

Fast, Free shipping from SendCutSend
Free shipping!

Free anywhere in the USA, and only $19 to Canada.

Detailed order tracking from SendCutSend
Detailed order tracking

Follow your order from upload to delivery.

Detailed order tracking from SendCutSend
Detailed order tracking

Follow your order from upload to delivery.

Ordering countersunk parts online has never been easier

With our team of highly trained machinists and our state-of-the-art manufacturing technology, we’ve made it easier than ever to design and order countersunk parts. When you upload your design to our app, simply select the “Countersinking” option during the checkout process and you’ll get an instant quote!

countersinking guidelines

Review our Guidelines

Making sure your file meets all our requirements will ensure you get your parts as quickly as possible.

Get an instant quote that includes cutting, deburring, and free shipping

Upload your file for an instant quote

Select your material, apply countersinking, and adjust your quantity to see live pricing updates.

Standard countersinking orders are out the door in 4-6 days

1-3 day shipping
on all standard orders.

from

$9

cart minimum

$9

cart minimum

Starting at just $3 per hole

Countersinking prices are based on the countersunk hole quantity, with a $9 cart minimum. There is no minimum quantity required! Upload your file below to get started.

Get started with a free instant quote using our parts builder!

Get started with a free instant quote!

“As a mechanical engineer, I am always stunned by the impressive lead time and quality of all SendCutSend parts I have received. The interface of the website is easy to use and I am always happy to support US manufacturing.”

Nicholas Bauer  :: StartupSlick
Countersinking helps hardware sit flush

Increase the life of your hardware

Countersinking protects your hardware from long-term wear by allowing the head to sit flush against the surface of your part. Pair it with our hardware insertion services for full assemblies.

Precision countersinking in a variety of materials

Countersinking has a wide range of applications in all kinds of materials. Here at SendCutSend, we currently offer seven materials in a variety of thicknesses for countersinking.

What to expect from your countersunk parts

Raw and deburred coutersunk parts

Get started with a free instant quote using our parts builder!

Get started with a free instant quote!

Helpful resources make it easy to create your file for countersinking

We want to make it as easy as possible for you to get your parts countersunk with SendCutSend. That’s why we’ve put together a variety of guidelines to help you correctly set up your files.

Don't stop at countersinking, we have a full range of services to suit your project needs

Laser, Water Jet and CNC cutting services from sendcutsend.com

Cutting Services

We offer custom laser cutting, waterjet cutting, and CNC routing. We’ll cut your parts with the method best suited for your material.

Bending & Forming

Add dimension to your projects with our precision CNC bending services.

Tapping and Countersinking Services from SendCutSend

Countersinking & Tapping

Quickly and easily add threading to your parts, or allow hardware to sit flush.

Hardware Insertion from SendCutSent

Hardware Insertion

Select from our catalog of PEM press-fit hardware to add nuts, studs, and standoffs.

Anodizing Services froo SendCutSend
SendCutSend offers bending and anodizing for your laser cut 5052 aluminum parts

Anodizing

We offer Class II anodizing services to add durability and character to your laser cut parts.

Nickel and Zinc sheet metal plating for your SendCutSend parts

Plating

Increase rust prevention, wear resistance, and strength with zinc and nickel plating.

Online Powder Coating sevices from SendCutSend

Powder Coating

Give your laser cut parts a bold, long-lasting finish and protective layer in one of 7 colors

Tumbling for sendcutsend.com laser cut parts

Tumbling

Reduce the surface blemishes and handling scratches found in raw materials.

Deburring is included FREE on orders with eligible materials!

Fast turn-arounds are only the begininng

Fast turn-arounds are only the beginning

Yes, we are laser-fast, but we’re also secure, and offer 100% money-back guarantee on all our parts. You’re in good hands with us.

Top notch customer service

Our educated and friendly team is here to answer your questions and assist you in getting the best parts possible.

Made in the USA

We make everything at our facilities in Reno, Nevada and Paris, Kentucky. From cutting, bending, and finishing to software engineering and customer support, your parts are truly made in the USA.

Guaranteed quality

All our services come guaranteed. If you’re not 100% happy with your parts, we’ll give you a refund or remake on the spot.

Secure and confidential

We know your designs are valuable. Your files are 100% secure in our system.

See why customers dig us: SendCutSend reviews

Get an easy and free sheet metal countersinking quote

Countersinking is easier than ever with an instant quote from SendCutSend. All you have to do is upload your design and we’ll have it countersunk and sent in a matter of days!

Get an Instant Quote for Countersinking

We proudly use hardware by PEM

Flush stud, M8 x 1.25, .472" Zinc plus Clear Chromate

Aluminum: 5052, 6061, 7075 Steel: Mild

SKUFH-M8-12
Thread SizeM8 x 1.25
Hole size in sheet (+0.003/-.0.000).315″
Minimum sheet thickness0.94″
Maximum sheet thickness.347″
Fastener materialSteel
Minimum distance hole C/L to edge0.378″
When determining the distance between two or more fasteners, you can calculate the distance by the formula, C/L to edge + 1/2 the diameter of the second mounting hole..567″
Recommended panel materialSteel/Aluminum
Coating typeZinc
Length.472″
Aluminum material ranges (5052, 6061, 7075)0.100″-0.250″
Steel material ranges (CRS, HRPO, HR)0.104″-0.250″

Get an Instant Quote for Waterjet Cutting

We proudly use hardware by PEM

Flush Standoff, 4-40, .250" Zinc plus Clear Chromate

Aluminum: 5052, 6061, 7075 Steel: Mild, G30

SKUSO-440-8
Thread Size4-40 x .250″
Hole size in sheet (+0.003/-.0.000).168″
Minimum sheet thickness0.040″
Maximum sheet thickness.125″
Fastener materialSteel
Minimum distance hole C/L to edge0.230″
When determining the distance between two or more fasteners, you can calculate the distance by the formula, C/L to edge + 1/2 the diameter of the second mounting hole..345″
Recommended panel materialSteel/Aluminum
Coating typeZinc
Length.250″
Aluminum material ranges (5052, 6061, 7075)0.040″-0.125″
Steel material ranges (CRS, HRPO, HR)0.048″-0.119″

We proudly use hardware by PEM

Flush Standoff, 4-40, .250" Passivated

Stainless Steel: 304, 316

SKUSO4-440-8
Thread Size440
Hole size in sheet (+0.003/-.0.000).166″
Minimum sheet thickness0.04″
Maximum sheet thickness.125″
Fastener material400 Stainless Steel
Minimum distance hole C/L to edge0.230″
When determining the distance between two or more fasteners, you can calculate the distance by the formula, C/L to edge + 1/2 the diameter of the second mounting hole. Example shown with x2 of the same hardware..345″
Recommended panel materialStainless Steel
Coating typePassivated
Length.250″
304 Stainless Steel material ranges0.048″-0.125″
316 Stainless Steel material ranges0.060″-0.125″