About 3N1™ Combination Tools

Three operations in one tool: drill, countersink, and chamfer. Eliminates tool changes and ensures perfect alignment. Ideal for assembly operations and production fastener installation.

Combination drill-countersink-chamfer in one tool. HSS and Carbide.

Ordering Tip

All tools are ordered by their EDP Number (Electronic Data Processing). Find your tool in the table below and use the EDP number when placing orders with your distributor.

3N1 Drill Point Countersink
Quick Facts
  • 228 products in this group
  • Made in Saginaw, Michigan
  • Precision ground to exacting tolerances
  • Available through authorized distributors
  • Resharpenable for extended life
Download Full Catalog (PDF)

Available Products

All EDP numbers listed below. Contact your distributor to order.

EDP NumberSize/NameDescription
014641/4"1/4" - 3n1
014651/4"1/4" - 3n1
014661/4"1/4" - 3n1
014671/4"1/4" - 3n1
014681/4"1/4" - 3n1
014691/4"1/4" - 3n1
014701/4"1/4" - 3n1
014713/8"3/8" - 3n1
014721/2"1/2" - 3n1
014731/8"1/8" - 3n1
014743/16"3/16" - 3n1
014755/16"5/16" - 3n1
014765/8"5/8" - 3n1
014773/4"3/4" - 3n1
014787/8"7/8" - 3n1
014791"1" - 3n1
014851/4"1/4" - 3n1
014863/8"3/8" - 3n1
014871/2"1/2" - 3n1
014881/8"1/8" - 3n1
014893/16"3/16" - 3n1
014905/16"5/16" - 3n1
014915/8"5/8" - 3n1
014923/4"3/4" - 3n1
014937/8"7/8" - 3n1
014941"1" - 3n1
015001/4"1/4" - 3n1
015013/8"3/8" - 3n1
015021/2"1/2" - 3n1
015031/8"1/8" - 3n1
015043/16"3/16" - 3n1
015055/16"5/16" - 3n1
015065/8"5/8" - 3n1
015073/4"3/4" - 3n1
015087/8"7/8" - 3n1
015091"1" - 3n1
015151/4"1/4" - 3n1
015163/8"3/8" - 3n1
015171/2"1/2" - 3n1
015181/8"1/8" - 3n1
015193/16"3/16" - 3n1
015205/16"5/16" - 3n1
015215/8"5/8" - 3n1
015223/4"3/4" - 3n1
015237/8"7/8" - 3n1
015241"1" - 3n1
015301/4"1/4" - 3n1
015313/8"3/8" - 3n1
015321/2"1/2" - 3n1
015331/8"1/8" - 3n1
015343/16"3/16" - 3n1
015355/16"5/16" - 3n1
015365/8"5/8" - 3n1
015373/4"3/4" - 3n1
015387/8"7/8" - 3n1
015391"1" - 3n1
015451/4"1/4" - 3n1
015463/8"3/8" - 3n1
015471/2"1/2" - 3n1
015481/8"1/8" - 3n1
015493/16"3/16" - 3n1
015505/16"5/16" - 3n1
015515/8"5/8" - 3n1
015523/4"3/4" - 3n1
015537/8"7/8" - 3n1
015541"1" - 3n1
015851/8"1/8" - 3n1
015863/16"3/16" - 3n1
015871/4"1/4" - 3n1
015885/16"5/16" - 3n1
015893/8"3/8" - 3n1
015901/2"1/2" - 3n1
015915/8"5/8" - 3n1
015923/4"3/4" - 3n1
015951/8"1/8" - 3n1
015963/16"3/16" - 3n1
015971/4"1/4" - 3n1
015985/16"5/16" - 3n1
015993/8"3/8" - 3n1
016001/2"1/2" - 3n1
016015/8"5/8" - 3n1
016023/4"3/4" - 3n1
016051/8"1/8" - 3n1
016063/16"3/16" - 3n1
016071/4"1/4" - 3n1
016085/16"5/16" - 3n1
016093/8"3/8" - 3n1
016101/2"1/2" - 3n1
016115/8"5/8" - 3n1
016123/4"3/4" - 3n1
016151/8"1/8" - 3n1
016163/16"3/16" - 3n1
016171/4"1/4" - 3n1
016185/16"5/16" - 3n1
016193/8"3/8" - 3n1
016201/2"1/2" - 3n1
016215/8"5/8" - 3n1
016223/4"3/4" - 3n1
016251/8"1/8" - 3n1
016263/16"3/16" - 3n1
016271/4"1/4" - 3n1
016285/16"5/16" - 3n1
016293/8"3/8" - 3n1
016301/2"1/2" - 3n1
016315/8"5/8" - 3n1
016323/4"3/4" - 3n1
016351/8"1/8" - 3n1
016363/16"3/16" - 3n1
016371/4"1/4" - 3n1
016385/16"5/16" - 3n1
016393/8"3/8" - 3n1
016401/2"1/2" - 3n1
016415/8"5/8" - 3n1
016423/4"3/4" - 3n1
016501/8"1/8" - 3n1
016513/16"3/16" - 3n1
016521/4"1/4" - 3n1
016535/16"5/16" - 3n1
016543/8"3/8" - 3n1
016551/2"1/2" - 3n1
016565/8"5/8" - 3n1
016573/4"3/4" - 3n1
016701/8"1/8" - 3n1
016713/16"3/16" - 3n1
016721/4"1/4" - 3n1
016735/16"5/16" - 3n1
016743/8"3/8" - 3n1
016751/2"1/2" - 3n1
016765/8"5/8" - 3n1
016773/4"3/4" - 3n1
016801/8"1/8" - 3n1
016813/16"3/16" - 3n1
016821/4"1/4" - 3n1
016835/16"5/16" - 3n1
016843/8"3/8" - 3n1
016851/2"1/2" - 3n1
016865/8"5/8" - 3n1
016873/4"3/4" - 3n1
016901/8"1/8" - 3n1
016913/16"3/16" - 3n1
016921/4"1/4" - 3n1
016935/16"5/16" - 3n1
016943/8"3/8" - 3n1
016951/2"1/2" - 3n1
016965/8"5/8" - 3n1
016973/4"3/4" - 3n1
017001/8"1/8" - 3n1
017013/16"3/16" - 3n1
017021/4"1/4" - 3n1
017035/16"5/16" - 3n1
017043/8"3/8" - 3n1
017051/2"1/2" - 3n1
017065/8"5/8" - 3n1
017073/4"3/4" - 3n1
017101/8"1/8" - 3n1
017113/16"3/16" - 3n1
017121/4"1/4" - 3n1
017135/16"5/16" - 3n1
017143/8"3/8" - 3n1
017151/2"1/2" - 3n1
017165/8"5/8" - 3n1
017173/4"3/4" - 3n1
019031/8"1/8" - 3n1
019043/16"3/16" - 3n1
019051/4"1/4" - 3n1
019061/4"1/4" - 3n1
019075/16"5/16" - 3n1
019083/8"3/8" - 3n1
019091/2"1/2" - 3n1
019105/8"5/8" - 3n1
019113/4"3/4" - 3n1
019127/8"7/8" - 3n1
019131"1" - 3n1
019231/8"1/8" - 3n1
019243/16"3/16" - 3n1
019251/4"1/4" - 3n1
019261/4"1/4" - 3n1
019275/16"5/16" - 3n1
019283/8"3/8" - 3n1
019291/2"1/2" - 3n1
019305/8"5/8" - 3n1
019313/4"3/4" - 3n1
019327/8"7/8" - 3n1
019331"1" - 3n1
019431/8"1/8" - 3n1
019443/16"3/16" - 3n1
019451/4"1/4" - 3n1
019461/4"1/4" - 3n1
019475/16"5/16" - 3n1
019483/8"3/8" - 3n1
019491/2"1/2" - 3n1
019505/8"5/8" - 3n1
019513/4"3/4" - 3n1
019527/8"7/8" - 3n1
019531"1" - 3n1
019631/8"1/8" - 3n1
019643/16"3/16" - 3n1
019651/4"1/4" - 3n1
019661/4"1/4" - 3n1
019675/16"5/16" - 3n1
019683/8"3/8" - 3n1
019691/2"1/2" - 3n1
019705/8"5/8" - 3n1
019713/4"3/4" - 3n1
019727/8"7/8" - 3n1
019731"1" - 3n1
019831/8"1/8" - 3n1
019843/16"3/16" - 3n1
019851/4"1/4" - 3n1
019861/4"1/4" - 3n1
019875/16"5/16" - 3n1
019883/8"3/8" - 3n1
019891/2"1/2" - 3n1
019905/8"5/8" - 3n1
019913/4"3/4" - 3n1
019927/8"7/8" - 3n1
019931"1" - 3n1
020031/8"1/8" - 3n1
020043/16"3/16" - 3n1
020051/4"1/4" - 3n1
020061/4"1/4" - 3n1
020075/16"5/16" - 3n1
020083/8"3/8" - 3n1
020091/2"1/2" - 3n1
020105/8"5/8" - 3n1
020113/4"3/4" - 3n1
020127/8"7/8" - 3n1
020131"1" - 3n1

Back to Category

View All 3N1™ Countersinks

Need Help?

Our team can help you select the right tool for your application.

Contact Us Regrind Service