3N1™ Combination Tools

228 products available - Order by EDP Number

Request a Quote Find a Distributor Countersinks Catalog (PDF)

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. Request a quote for any EDP, or find a stocking distributor.

3N1 HSS Drill Point Countersinks

Body Dia. Shank Dia. OAL Shank Length Tool Name 60° EDP 82° EDP 90° EDP 100° EDP 110° EDP 120° EDP
1/8"1/8"1-5/8"1-5/8"3N1-1/8014730148801503015180153301548
3/16"3/16"1-1/2"1-1/2"3N1-3/16014740148901504015190153401549
1/4"3/16"1-1/2"3/4"3N1-1/4014700148501500015150153001545
1/4"1/4"2"1-3/4"3N1-1/4-1/4014640146501466014670146801469
5/16"1/4"1-3/4"7/8"3N1-5/16014750149001505015200153501550
3/8"1/4"1-3/4"7/8"3N1-3/8014710148601501015160153101546
1/2"3/8"2-1/8"1-1/8"3N1-1/2014720148701502015170153201547
5/8"3/8"2-3/8"1-1/8"3N1-5/8014760149101506015210153601551
3/4"1/2"2-11/16"1-5/16"3N1-3/4014770149201507015220153701552
7/8"1/2"2-13/16"1-5/16"3N1-7/8014780149301508015230153801553
1"1/2"2-13/16"1-5/16"3N1-1014790149401509015240153901554

3N1 Carbide Drill Point Countersinks

Body Dia. Shank Dia. OAL Shank Length Tool Name 60° EDP 82° EDP 90° EDP 100° EDP 110° EDP 120° EDP
1/8"1/8"1-1/2"1-1/2"3N1-1/8-W019030192301943019630198302003
3/16"3/16"1-1/2"1-1/2"3N1-3/16-W019040192401944019640198402004
1/4"3/16"1-1/2"1-3/16"3N1-1/4-W019050192501945019650198502005
1/4"1/4"2"2"3N1-1/4-W-1/4019060192601946019660198602006
5/16"1/4"2-1/4"1-3/4"3N1-5/16-W019070192701947019670198702007
3/8"1/4"2-1/4"1-3/4"3N1-3/8-W019080192801948019680198802008
1/2"3/8"2-1/2"2"3N1-1/2-W019090192901949019690198902009
5/8"3/8"2-5/8"2"3N1-5/8-W019100193001950019700199002010
3/4"1/2"2-3/4"2"3N1-3/4-W019110193101951019710199102011
7/8"1/2"2-7/8"2"3N1-7/8-W019120193201952019720199202012
1"1/2"3"2"3N1-1-W019130193301953019730199302013

HSS Double-Ended

Body Dia. OAL Drill Point Tool Name 60° EDP 82° EDP 90° EDP 100° EDP 110° EDP 120° EDP
1/8"1-1/2".047"3N1-1/8-DE015850159501605016150162501635
3/16"1-7/8".078"3N1-3/16-DE015860159601606016160162601636
1/4"2".109"3N1-1/4-DE015870159701607016170162701637
5/16"2-1/8".125"3N1-5/16-DE015880159801608016180162801638
3/8"2-1/2".141"3N1-3/8-DE015890159901609016190162901639
1/2"3".219"3N1-1/2-DE015900160001610016200163001640
5/8"3-1/4".250"3N1-5/8-DE015910160101611016210163101641
3/4"3-1/2".313"3N1-3/4-DE015920160201612016220163201642

Carbide Double-Ended

Body Dia. OAL Drill Point Tool Name 60° EDP 82° EDP 90° EDP 100° EDP 110° EDP 120° EDP
1/8"1-1/2".047"3N1-1/8-W-DE016500167001680016900170001710
3/16"2".078"3N1-3/16-W-DE016510167101681016910170101711
1/4"2".109"3N1-1/4-W-DE016520167201682016920170201712
5/16"2-1/8".125"3N1-5/16-W-DE016530167301683016930170301713
3/8"2-1/2".141"3N1-3/8-W-DE016540167401684016940170401714
1/2"3".219"3N1-1/2-W-DE016550167501685016950170501715
5/8"3-1/4".250"3N1-5/8-W-DE016560167601686016960170601716
3/4"3-1/2".313"3N1-3/4-W-DE016570167701687016970170701717

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
Call 989-777-5500 Get a Quote