Viking Drill and Tool St. Paul MN
America's Finest High-Speed Steel Cutting Tools™

Proudly Manufactured in the USA
 HOME >> High Helix Flutes Jobber Drill Split Point

Type 240-SS High Helix Flutes Jobber Drill

Type 240-SS High Helix Flute Jobber Drill Split Point
Type 240-SS - High Helix Flutes Jobber Drill Split Point


Excellent for lifting chips from a drilled hole particularly aluminum
     and other soft materials.
— Split point provides fast penetration and accurate starting without a center punch.
— High Helix Flutes design allows for increased feed rates up to 2X.
Recommended for Stainless Steel, Aluminum, Brass and all other non-ferrous metals.
Proudly manufactured in the USA.

Adobe Acrobat Logo PDF — High Helix Flutes Jobber Drill Split Point

 


Helix Angle (Spiral Angle)

An essential feature of a twist drill is the helix angle (spiral angle). It determines the process of chip formation. Larger helix angles provide effective removal of soft, long-chipping materials. The high helix brings the stringy chip up and out of the hole for easy disposal.
Smaller helix angles, on the other hand, are used for hard, short-chipping materials.
Twist drills that have a very small helix angle (10° – 19°) have a lengthy spiral. In return, twist drills with a large helix angle (27° – 45°) have a rammed (short) spiral. Twist drills with a normal spiral have a helix angle of (19° – 40°).

 

High Helix Flutes Jobber Drill Sets

13pc High Helix Flutes Jobber Drill Set
13pc. High Helix Flutes Jobber Drill Set
Fractional sizes include: 1/16" - 1/4" by 64ths
— Secure, snap-lock steel cover.
Proudly manufactured in the USA.

Adobe Acrobat Logo PDF — 13pc. High Helix Flutes Jobber Drill Set

 

15pc High Helix Flutes Jobber Drill Set
15pc. High Helix Flutes Jobber Drill Set
Fractional sizes include: 1/16" - 1/2" by 32nds
— Secure, snap-lock steel cover.
Proudly manufactured in the USA.

Adobe Acrobat Logo PDF — 15pc. High Helix Flutes Jobber Drill Set

 

29pc High Helix Flutes Jobber Drill Set
29pc. High Helix Flutes Jobber Drill Set
Fractional sizes include: 1/16" - 1/2" by 64ths
— Secure, snap-lock steel cover.
Proudly manufactured in the USA.

Adobe Acrobat Logo PDF — 29pc. High Helix Flutes Jobber Drill Set

 

29pc Ultra Dex High Helix Flutes Jobber Drill Set
29pc. Black Ultra Dex - High Helix Flutes Jobber Drill Set
Fractional sizes include: 1/16" - 1/2" by 64ths
Waterproof, unbreakable Ultra Dex
— Securely stores jobber drills while protects from harsh environments
Proudly manufactured in the USA.

Adobe Acrobat Logo PDF – 29pc. Ultra Dex - High Helix Flutes Jobber Drill Set