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.


...
Read more Read less

Filters

Viewing 1 - 20 of 1047 products
Results per page
Description Price Diameter Type Drilling Application Material Overall Length
RS Stock No. 787-7267
BrandRS PRO
$3.78
1 Tube of 5
Tube(s)
3mm Short - HSS 46 mm
RS Stock No. 212-991
BrandRS PRO
$10.24
1 Box of 10
Box(es)
1mm Jobber - HSS 32.5 mm
RS Stock No. 828-202
BrandRS PRO
$7.82
Each
units
3.3mm Hexagon - HSS -
RS Stock No. 694-431
BrandRS PRO
$31.82
Each
units
15mm Blacksmiths - HSS 150 mm
RS Stock No. 828-218
BrandRS PRO
$7.29
Each
units
4.2mm Hexagon - HSS -
RS Stock No. 213-067
BrandRS PRO
$17.22
1 Box of 10
Box(es)
4mm Jobber - HSS 75.5 mm
RS Stock No. 213-950
BrandRS PRO
$15.34
1 Box of 10
Box(es)
2.2mm Jobber - HSS 53 mm
RS Stock No. 212-985
BrandRS PRO
$11.05
1 Box of 10
Box(es)
1.5mm Jobber - HSS 40.5 mm
RS Stock No. 669-9375
BrandRS PRO
$5.84
Each
units
4.2mm Hexagon - HSS 45 mm
RS Stock No. 213-089
BrandRS PRO
$10.97
1 Box of 10
Box(es)
2.5mm Jobber - HSS 56 mm
RS Stock No. 212-963
BrandRS PRO
$15.38
1 Box of 10
Box(es)
3mm Jobber - HSS 59 mm
RS Stock No. 213-073
BrandRS PRO
$17.25
1 Box of 10
Box(es)
3.5mm Jobber - HSS 70 mm
RS Stock No. 522-6932
BrandRS PRO
$49.00
Each
units
12mm Jobber; Long - HSS 315 mm
RS Stock No. 212-979
BrandRS PRO
$8.42
1 Box of 10
Box(es)
2mm Jobber - HSS 47.5 mm
RS Stock No. 408-8004
BrandRS PRO
$52.88
Each
units
20mm Blacksmiths - HSS 150 mm
RS Stock No. 213-916
BrandRS PRO
$13.11
1 Box of 10
Box(es)
2mm Jobber - HSS 49 mm
RS Stock No. 212-957
BrandRS PRO
$19.62
1 Box of 10
Box(es)
3.3mm Jobber - HSS 70.5 mm
RS Stock No. 216-498
BrandRS PRO
$28.50
1 Box of 10
Box(es)
3mm Jobber - HSCo 61 mm
RS Stock No. 787-7239
BrandRS PRO
$7.00
1 Tube of 5
Tube(s)
1mm Short - HSS 26 mm
RS Stock No. 213-411
BrandRS PRO
$19.04
1 Box of 10
Box(es)
3mm Jobber - HSS 61 mm
Related Products
Raptor Cutters from Rotabroach. These annular cutters are ...
Description:
Raptor Cutters from Rotabroach. These annular cutters are hole cutting tools used on piping, tubing or material that require a fine finish hole cut. Raptor cutters optimise cutting edge geometry for increased cutting performance and reduced cutting forces. Offers effective ...
Metric high speed twist drills for metal, wood ...
Description:
Metric high speed twist drills for metal, wood and plastic drilling. Perfect for general purpose workshop and maintenance drilling work. High Speed Steel (HSS) construction, ideal for use with power tools. Black finish for corrosion and wear protection.
HSCo high performance Jobber length drill for machining ...
Description:
HSCo high performance Jobber length drill for machining deep holes in most materials up to x10 diameter. Parabolic flute design enables rapid chip evacuation. Allows greater drilling depths without the need for 'pecking'130° special point geometry for excellent centring capability ...
HSCo high performance Jobber length drill for machining ...
Description:
HSCo high performance Jobber length drill for machining deep holes in most materials up to x3 diameter. Parabolic flute design enables rapid chip evacuation. Allows greater drilling depths without the need for 'pecking'130° special point geometry for excellent centring capability ...