Alfa Tools 9/64 ECO PRO Heavy Duty Jobber Drill
Jobber Length 135 Split Point Black Oxide
• Ideal for portable or machine drilling in low-tensile strength
alloy steels and for other applications .
• These drills meet all aircraft manufacturing standards and
feature a heavy duty 135O
split point for self-centering and
quick penetration.
Features:
• Heavy duty web geometry provides added rigidity to
resist tensional strain when drilling up to three times
the drill diameter
Drillco #10 3-5/8″ 135° Split Point / Straight Shank Jobber Drill
The Nitro Heavy Duty 135 degree Split Point drill with Nitride surface treatment, that give a hard, protective layer to the drill (increases hardness without increasing brittleness), which is measurably harder than high speed steel. Body and clearance are black and gold surface treated for maximum lubricity. Recommended for use in stainless steel and other hard metal drilling.
Drillco #12 3-1/2″ 135° Split Point / Straight Shank Jobber Drill
The Nitro Heavy Duty 135 degree Split Point drill with Nitride surface treatment, that give a hard, protective layer to the drill (increases hardness without increasing brittleness), which is measurably harder than high speed steel. Body and clearance are black and gold surface treated for maximum lubricity. Recommended for use in stainless steel and other hard metal drilling.
Drillco #14 3-3/8″ 135° Split Point / Straight Shank Jobber Drill
The Nitro Heavy Duty 135 degree Split Point drill with Nitride surface treatment, that give a hard, protective layer to the drill (increases hardness without increasing brittleness), which is measurably harder than high speed steel. Body and clearance are black and gold surface treated for maximum lubricity. Recommended for use in stainless steel and other hard metal drilling.
Drillco #16 3-3/8″ 135° Split Point / Straight Shank Jobber Drill
The Nitro Heavy Duty 135 degree Split Point drill with Nitride surface treatment, that give a hard, protective layer to the drill (increases hardness without increasing brittleness), which is measurably harder than high speed steel. Body and clearance are black and gold surface treated for maximum lubricity. Recommended for use in stainless steel and other hard metal drilling.
Drillco #18 3-1/4″ 135° Split Point / Straight Shank Jobber Drill
The Nitro Heavy Duty 135 degree Split Point drill with Nitride surface treatment, that give a hard, protective layer to the drill (increases hardness without increasing brittleness), which is measurably harder than high speed steel. Body and clearance are black and gold surface treated for maximum lubricity. Recommended for use in stainless steel and other hard metal drilling.