10 Best
Jobber Drill Bits
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Product Highlights- 1/16 - 1/2 by 64ths - ultra dex
- Special hi-molybdenum tool steel/ gold oxide
- 29 pc. ultra dex set premium high speed steel heavy duty nas 907b 135-degree split point
- Precision ground point, flutes, body, clearance and drill diameter for ultimate accuracy and performance
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Product Highlights
- For stainless steel - particularly successful in cutting through hard metals such as stainless steel and cast iron, although they can be used for softer materials, too. not for hardened steel / high carbon steel. try to adjust the rpm when it fails to penetrate.
- 10pc set - the set includes 10pcs of 1/4” diameter m35 grade cobalt steel twist drill bits, packed in a plastic case as showed in the picture.
- Cobalt steel - manufactured from m35 grade cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring rockwell hardness up to 67, for much faster cutting and extra longer life span, with up to twelve times when compared with an average hss drill bit.
- Self-centering - the 135° quick-cut points are and penetrate quickly with less pressure. no center punch is needed. will not "walk" or "wander".
- Satisfaction guaranteed - here at migiwata, we do care about your satisfaction. we try our best to ensure each product is in perfect condition before you get it, but if something is not up to your satisfaction, please contact us for a full refund or replacement.
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Product Highlights
- High-speed steel (hss) provides hardness for wear resistance
- 118-degree conventional point for a range of drilling applications
- Set of 60 jobber length drill bits includes one each of wire gauge sizes #60 through #1
- Black oxide finish reduces bit wear while promoting chip and coolant flow on ferrous material
- Jobber length drill bit has a midrange drilling depth suitable for general-purpose drilling applications
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- Cobalt jobber drill bits:115 pcs high speed steel with 5% cobalt drill bit set can resist high heat abrasion while drilling. m35 cobalt hss twist drill bits is more suitable for hardened working material. particularly adapt to drilling stainless steel, cast iron, high temperature alloy, titanium alloy and even hard plastics, and woods. can also be used for soft materials.
- Wide application: jefe hex 115 pcs set with sharp and hard cutting edge is ideal for versatile application especially for projects made from hard material, such as kitchen utensils, machine parts, medical equipment, diy projects and so on.
- Drill bits size: jefe hex 115 pcs set includes 29 pcs fractional sizes from 1/16" to 1/2" by 64ths increments; 26 pcs letter sizes from a to z; 60 pcs wire sizes from #1 to #60. almost cover all sizes you would use.
- Twist drill bits: premium hss with 5% cobalt and 135° split point drill tip design guarantee 115 pcs drill bit keeping sharpness while drilling hard materials and prevent tips walking on the working surface. proper twist and flute design clears chips and particles fast.
- Organized holder: the whole drill bit set is kept in one iron case with size index holder for easy storage and organizing.
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Product Highlights
- Cobalt steel provides extended tool life compared to high-speed steel drill bits when drilling hard materials
- Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging
- Set of 29 jobber length drill bits includes inch sizes 1/16" to 1/2" in 1/64" increments
- Gold oxide finish lubricates the drill bit and provides wear resistance
- Meets ansi specifications
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Product Highlights
- [m35 cobalt high speed steel] twist jobber length drill bit made of 5% cobalt alloyed high speed steel. bronze steam surface treatment provides a combination of hardness and toughness for wear resistance; rigid, thick web design strengthens the core to increase drill bit durability.
- [multiple applications] the cobalt drill bit set can be used effectively on most soft and hard materials, such as stainless steel, cast iron, high temperature alloy, titanium alloy, plastics and woods.
- [size] 29-piece drill bits for daily use: 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64, 1/4, 17/64, 9/32, 19/64, 5/16, 21/64, 11/32, 23/64, 3/8, 25/64, 13/32, 27/64, 7/16, 29/64, 15/32, 31/64 and 1/2 inch bits.
- [135° split point] self-centring 135-degree split point tip helps to reduce thrust and aids an easier penetration; tips are professionally hardened and polished for more accurate and fast drilling and faster removal of chips and particles.
- [90 day warranty] comes in a metal storage case for easy storage. if you are not satisfied with our product for any reason, we offer a 100% refund or replacement.
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Product Highlights
- Round and portable case: say goodbye to constant losing or misplacing your drill bits! jefe hex cobalt drill bit set for metal comes with an ergonomic and portable round carrying case with built-in clip. the case can be easily attached to your tool belt keeping your bits within immediate reach!
- Wide applications: jefe hex 29 pcs set with sharp and hard cutting edge is ideal for versatile applications especially for projects made from stainless steel, such as kitchenware maintenance, machine parts, medical equipment and diy projects. it can also be used to drill cast iron, high temperature alloy, titanium alloy and even hard plastics and wood.
- Cobalt gold oxide jobber drill bits: 29 pcs high speed steel with 5% cobalt drill bit set resists high heat abrasion while drilling. cobalt steel provides extended tool life compared to high-speed steel drill bits, and maintains the tool's toughness and hardness in high drilling temperatures. a gold oxide finish acts as a lubricant and provides wear resistance.
- 135 degrees split point twist drill bits: a self-centering 135° split point drill tip penetrates hard materials without a pilot hole and keeps sharp without walking on the surface compared to a 118-degree point. proper twist and flute design clears chips and particles fast. drill bits larger than 3/8" have 3/8” reduced shank for majority drills in the market. drill bits...
- Drill bit sizes: 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", 29/64", 15/32", 31/64" and 1/2" (by 1/64" increments).
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Product Highlights
- Cobalt gold oxide jobber drill bits: 29 pcs high speed steel with 5% cobalt drill bit set resists high heat abrasion while drilling. cobalt steel provides extended tool life compared to high-speed steel drill bits, and maintains the tool's toughness and hardness in high drilling temperatures. a gold oxide finish acts as a lubricant and provides wear resistance.
- Round and portable case: say goodbye to constant losing or misplacing your drill bits! highfire cobalt drill bit set for metal comes with an ergonomic and portable round carrying case with built-in clip. the case can be easily attached to your tool belt keeping your bits within immediate reach!
- Drill bit sizes: 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", 29/64", 15/32", 31/64" and 1/2" (by 1/64" increments).
- Wide applications: highfire 29 pcs set with sharp and hard cutting edge is ideal for versatile applications especially for projects made from stainless steel, such as kitchenware maintenance, machine parts, medical equipment and diy projects. it can also be used to drill cast iron, high temperature alloy, titanium alloy and even hard plastics and wood.
- 135 degrees split point twist drill bits: a self-centering 135° split point drill tip penetrates hard materials without a pilot hole and keeps sharp without walking on the surface compared to a 118-degree point. proper twist and flute design clears chips and particles fast. drill bits larger than 3/8" have 3/8” reduced shank for majority drills in the market. drill bits...
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Product Highlights
- ✅made from high-speed steel and 5% cobalt: manufactured from m35 cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring rockwell hardness up to 67, extremely heat resistant; for much faster cutting and extra longer life span, with up to twelve times when compared with an average hss drill bit.
- ✅can be repeatedly sharpened as needed: ludopam cobalt drill bit's hardness is uniform throughout the entire material, so that can be repeatedly sharpened without damaging the cutting edge allowing it to drill more than hss drill bits
- ✅include: the 25pcs of m35 cobalt steel twist drill bits: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, 8.0mm, 8.5mm, 9mm, 10mm, 10.5mm, 11mm, 11.5mm, 12mm, 12.5mm, 13mm. organized in a sturdy metal storage case for easy transport to your workplace.
- ✅135°split point - the 135°quick-cut split point are self-centering and able to penetrate metals quickly with less pressure, prevent bits from "walking and wanding". easy cutting without need of center punch.
- ✅application: best used for drilling in hard metal, including stainless steel,cast iron,hard plastics and woods.
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