Twist Drill Bits

Twist drill bits are a hand tool accessories used for drilling material like masonry, wood and sheet metal to create holes. Twist Drill bits are used in conjunction with a power drill and are readily available in various shapes and sizes depending on the material being drilled.


Types of Twist Drill Bits


Jobber drill bit


Long drill bit


Short drill bit


Stub drill bit


Morse Taper drill bit


Self-centring drill bit


What material can they cut?


They can cut through many forms of material, it’s a question of having the correct drill bit, however typical materials include;


Wood


Plastics


Aluminium


Brass


Cast iron


Mild steel


How do they work?


Insert the drill bit into a corded or cordless power drill at the chuck, tighten until it’s held in place then select the required torque setting. Hold the power drill with both hands securely, apply some pressure then start drilling,


How do you know which type of Twist Drill Bits to use?


It is important to have the correct drill bit when cutting holes. When making a considered purchase there a few things you need to consider; the material being cut, the material & coating of the drill plus the geometry.


Drill point angle


There are 2 general types; 118 ° that drill mild steel aluminum and other soft metals or 135 ° that drills hard steel and tough materials.


What are their strengths?


HSS drill bits are basic, inexpensive and easy to re-sharpen


HSS drill bits with Cobalt are an improvement on HSS, offer greater resistance to heat and wear but is also easy to re-sharpen


Carbide drill bits are the most expensive, usually, give the best heat resistance and last the longest.


When should I sharpen my drill?


As a rule, if your holes are in tolerance and wear & chipping are below 0.5 mm it’s typically ok to keep using your drill, anything after that you need to consider replacing or sharpening.


Popular Coating


Bright finish


Black oxide


Titanium Nitride (TiN)


Titanium Carbon-Nitride (TiCN)


Titanium Aluminum Nitride (TiAIN)


Safety


Proper eye protection must be worn at all times


Only use drills bits made for power tools


Keep hands away from drills bits during application


Applications Information


Twist drill bits are used in Industrial construction, servicing & maintenance applications.

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Detalii produs Marca Diameter Type Material Overall Length Shank Size Series Shank Type Cutting Length Point Angle
RS PRO HSS 3mm Jobber Drill Bit, 61 mm Plain Shank RS Pro 3mm Jobber HSS 61 mm 3mm - Plain 33mm 118°
RS PRO HSS 3mm Jobber Drill Bit, 59 mm Plain Shank RS Pro 3mm Jobber HSS 59 mm 3mm - Plain 33mm 118°
RS PRO HSCo 3.3mm Jobber Drill Bit, 65 mm Plain Shank RS Pro 3.3mm Jobber HSCo 65 mm 3.3mm - Plain 36mm 135°
RS PRO HSS 4mm Jobber Drill Bit, 75 mm Plain Shank RS Pro 4mm Jobber HSS 75 mm 4mm - Plain 43mm 118°
RS PRO HSS 2mm Jobber Drill Bit, 47.5 mm Plain Shank RS Pro 2mm Jobber HSS 47.5 mm 2mm - Plain 24mm 118°
RS PRO HSS 2.5mm Jobber Drill Bit, 57 mm Plain Shank RS Pro 2.5mm Jobber HSS 57 mm 2.5mm - Plain 30mm 118°
RS PRO HSS 2.5mm Jobber Drill Bit, 56 mm Plain Shank RS Pro 2.5mm Jobber HSS 56 mm 2.5mm - Plain 30mm 118°
RS PRO HSS 4mm Jobber Drill Bit, 75.5 mm Plain Shank RS Pro 4mm Jobber HSS 75.5 mm 4mm - Plain 43mm 118°
RS PRO HSS 2mm Jobber Drill Bit, 49 mm Plain Shank RS Pro 2mm Jobber HSS 49 mm 2mm - Plain 24mm 118°
RS PRO HSS 1mm Jobber Drill Bit, 34 mm Plain Shank RS Pro 1mm Jobber HSS 34 mm 1mm - Plain 12mm 118°
RS PRO HSS 1.5mm Jobber Drill Bit, 40 mm Plain Shank RS Pro 1.5mm Jobber HSS 40 mm 1.5mm - Plain 18mm 118°
RS PRO HSCo 3.5mm Jobber Drill Bit, 70 mm Plain Shank RS Pro 3.5mm Jobber HSCo 70 mm 3.5mm - Plain 39mm 135°
RS PRO HSCo 5mm Jobber Drill Bit, 86 mm Plain Shank RS Pro 5mm Jobber HSCo 86 mm 5mm - Plain 52mm 135°
RS PRO HSCo 3mm Jobber Drill Bit, 61 mm Plain Shank RS Pro 3mm Jobber HSCo 61 mm 3mm - Plain 33mm 135°
RS PRO HSS 3.3mm Jobber Drill Bit, 65 mm Plain Shank RS Pro 3.3mm Jobber HSS 65 mm 3.3mm - Plain 36mm 118°
RS PRO HSCo 4.5mm Short Drill Bit, 80 mm Plain Shank RS Pro 4.5mm Short HSCo 80 mm 4.5mm - Plain 47mm 135°
RS PRO HSS 3.5mm Jobber Drill Bit, 70 mm Plain Shank RS Pro 3.5mm Jobber HSS 70 mm 3.5mm - Plain 39mm 118°
Dormer A100 HSS 2.5mm Jobber Drill Bit, 57 mm Plain Shank
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Dormer 2.5mm Jobber HSS 57 mm 2.5mm A100 Plain 30mm 118°
RS PRO HSCo 4mm Jobber Drill Bit, 75 mm Plain Shank RS Pro 4mm Jobber HSCo 75 mm 4mm - Plain 43mm 135°
RS PRO HSS 4.2mm Jobber Drill Bit, 75 mm Plain Shank RS Pro 4.2mm Jobber HSS 75 mm 4.2mm - Plain 43mm 118°
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