KNKUT DRILL BITS
KNKUT DRILL BITS 3KK4SR 3 Piece Hole Expansion Step Reamer Set
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Overview
Built for the job.
USA Made KnKut Step Reamers accurately starts on contact and enlarges and deburrs holes in material up the 1/2" thick. Gold Oxide treatment enhances lubricity, reduces friction and increases toughness.
Why Pros Choose KNKUT DRILL BITS KNK
- Made In USA
- Size Range: 3 Piece Set Includes 5/16"
- 9/16", 9/16"
- 13/16", 13/16"
- 1-1/16"
- 90° Notch Point starts holes easily
- 5 hole enlargement steps
- 3/8 Shank Diameter
- 3-Flats on Shank
Specifications
| Part No. | 3KK4SR |
|---|---|
| Product Line | KNK |
| Manufacturer | KNKUT DRILL BITS |
| UPC | 843724011071 |
About KNKUT DRILL BITS
KNKUT DRILL BITS is a trusted manufacturer of professional auto body and refinish products used by collision repair shops and restoration specialists across North America.
Frequently Asked Questions
How fast does autofxmart ship KNKUT DRILL BITS KNK?
Most in-stock orders for KNKUT DRILL BITS KNK ship the same or next business day from our US warehouse. Expedited options are available at checkout. Freight-class items may require an additional 1–2 days for carrier pickup.
Is this KNKUT DRILL BITS product genuine?
Yes. autofxmart is an authorized distributor of KNKUT DRILL BITS products. Every unit is factory-fresh, sealed, and backed by the manufacturer's standard warranty. If you have a concern, contact support@autofxmart.com and we will make it right.
What is the manufacturer part number (MPN) for KNKUT DRILL BITS KNK?
The MPN for KNKUT DRILL BITS KNK is 3KK4SR. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
Why Buy from autofxmart
- Authorized distributor — authentic, factory-fresh stock.
- Fast US shipping — most orders ship within 1 business day.
- 30-day returns — buy with confidence.
- Pro-shop pricing — bulk discounts available on request.
- Expert support — questions? Email us at support@autofxmart.com.
How to apply
Steps
1Read the product's instructions before first use.
2Set it up and check fittings/connections.
3Use steady, even technique for consistent results.
4Clean after use to keep it performing.
5Store dry and protected between jobs.
Specifications
Full data
Frequently asked
Good to know
Most in-stock orders for KNKUT DRILL BITS KNK ship the same or next business day from our US warehouse. Expedited options are available at checkout. Freight-class items may require an additional 1–2 days for carrier pickup.
Yes. autofxmart is an authorized distributor of KNKUT DRILL BITS products. Every unit is factory-fresh, sealed, and backed by the manufacturer's standard warranty. If you have a concern, contact support@autofxmart.com and we will make it right.
The MPN for KNKUT DRILL BITS KNK is 3KK4SR. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
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