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Cutting Tools
Viking Drill & Tool
Step Drills- Type 78-UB

step drill

Ultra Bit ™ Multi -Diameter 3-Flats on Shank

Special Axial and Radial flute design speed work piece penetration.
The 135°split point self centers and easily starts with no pilot hole required.
Dual flute construction drills clean accurate holes in thin materials, quickly and easily.
Use for all thin metals, rigid plastics, wood or composite materials with a thickness equal to or less than the step thickness.
When drilling steel with 1/8" or greater thickness, a starter hole of the smallest step diameter will speed the drilling process.

Part # Size Hole Sizes Range Shank Size Step Increments Step Thickness
00700 1/8-1/2 13 1/8 - 1/2 1/4 1/32 1/8
00701 3/16 A 6 3/16 - 1/2 1/4 1/16 3/8
00702 3/16 B 12 3/16 - 7/8 3/8 1/16 1/8
00703 1/4-3/4 9 1/4 - 3/4 3/8 1/16 5/32
00704 9/16-1 8 9/16 - 1 3/8 1/16 5/32
00710 13/16 10 13/16 - 1-3/8 3/8 1/32 5/32
00711 1/4 KO 10 1/4 - 1-3/8 3/8 1/8 See note:
00713 7/8 A 2 7/8 - 1-1/8 3/8 27/64 9/64
00714 1/4-7/8 11 1/4 - 7/8 3/8 1/16 1/16
00719 1/4 A 16 1/4 - 1-1/8 3/8 1/16 1/16

Note: Part # 00711 Extra length steps at 7/8, 1-1/8 & 1-3/8 for conduit knock-outs

Sets

step drill

Part # 00721
UB-7/8
Part # 00731
UB-1IN
Part # 00741
UB-3/4
Includes Size Includes Size Includes Size
00700 1/8-1/2 00700 1/8-1/2 00700 1/8-1/2
00701 3/16-1/2 00701 3/16-1/2 00701 3/16-1/2
00702 3/16-7/8 00704 9/16-1 00703 1/4-3/4
Brad Point Drills - Type 16-UB

brad point drill

Burrout™ Brad Point Super Premium

These high performance drills made from Hi-Moly tool steel will cut holes in wood or plastics and leave no burr. They will also drill splinter free holes in wood. The special BURROUT™ point cuts at the circumference of the hole to avoid the break through burr problems common with standard point drills. When drilling into higher tensile strength metals such as cold rolled steel; a small pilot hole may prove helpful since the center spur does not cut aggressively.

brad point drill set

Part # Diameter Overall Length Flute Length
01041 5/64 2 1
01051 3/32 2-1/4 1-1/4
01061 7/64 2-5/8 1-1/2
01071 1/8 2-3/4 1-5/8
01081 9/64 2-7/8 1-3/4
01091 5/32 3-1/8 2
01101 11/64 3-1/4 2-1/8
01111 3/16 3-1/2 2-5/16
01131 7/32 3-3/4 2-1/2
01151 1/4 4 2-3/4
01191 5/16 4-1/2 3-3/16
01231 3/8 5 3-5/8
01271 7/16 5-1/2 4-1/16
01311 1/2 6 4-1/2
Sets
42001 BF-10 5/64 - 3/16 by 64ths + 7/32, 1/4
42031 BF-14 5/64 - 3/16 by 64ths + 7/32, 1/4-1/2 by 16ths
31580 AD-7 7 pc set: 1/8" thru 1/2" by 16ths in metal index.
Acrylic Drills - Type 183-UB

acrylic drill bit

183-UB

Special Hi-Molybdenum tool steel, gold surface treated body, flute and point for maximum lubricity. Super CHIPFREE™ point is precision ground at a 60° angle for gradual penetration to avoid cracking and chipping of the acrylic material. Special 0° rake angle on cutting edge eliminates "grabbing" when drill breaks through plastic, acrylic or laminate surfaces. All sizes over 1/4" have 1/4" shanks.

Part # Diameter Overall Length Flute Length
31500 1/8 2-1/2 1-3/8
31510 5/32 2-7/8 1-3/4
31520 3/16 3-3/16 2
31530 1/4 3-9/16 2-5/16
31540 5/16 3-5/16 1-5/8
31550 3/8 3-5/8 1-15/16
31560 7/16 4 2-3/16
31570 1/2 4-1/4 2-7/16
Sets
31580 AD-7 7 pc set: 1/8" thru 1/2" by 16ths in metal index.