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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Description Price Diameter Type Material Overall Length
RS Stock No. 214-149
BrandRS PRO
$47.26
1 Box of 10
Box(es)
6.4mm Jobber HSS 101 mm
RS Stock No. 212-935
BrandRS PRO
$63.82
1 Box of 5
Box(es)
13mm Jobber HSS 152 mm
RS Stock No. 784-4848
BrandRS PRO
$20.28
Each
units
19mm Jobber HSS 156 mm
RS Stock No. 668-0986
BrandRS PRO
$32.09
1 Box of 50
Box(es)
1/8in Jobber HSS 65 mm
RS Stock No. 213-168
BrandRS PRO
$33.50
1 Box of 10
Box(es)
6.5mm Jobber HSS 101 mm
RS Stock No. 216-707
BrandRS PRO
$57.31
1 Box of 10
Box(es)
6mm Jobber HSCo 93 mm
RS Stock No. 217-249
BrandRS PRO
$46.13
1 Box of 10
Box(es)
5.5mm Jobber HSS 93 mm
RS Stock No. 214-076
BrandRS PRO
$62.04
1 Box of 10
Box(es)
9.5mm Jobber HSS 125 mm
RS Stock No. 618-8982
BrandRS PRO
$26.62
Each
units
15.8mm Blacksmiths HSS 150 mm
RS Stock No. 217-441
BrandRS PRO
$26.79
1 Box of 10
Box(es)
2mm Jobber HSS 49 mm
RS Stock No. 217-334
BrandRS PRO
$15.02
1 Box of 10
Box(es)
2.5mm Jobber HSS 57 mm
RS Stock No. 213-231
BrandRS PRO
$27.06
1 Box of 10
Box(es)
5.4mm Jobber HSS 93 mm
RS Stock No. 213-376
BrandRS PRO
$9.52
1 Box of 10
Box(es)
1.4mm Jobber HSS 40 mm
RS Stock No. 213-843
BrandRS PRO
$12.14
1 Box of 10
Box(es)
2.6mm Jobber HSS 57 mm
RS Stock No. 787-7251
BrandRS PRO
$44.12
1 Tube of 5
Tube(s)
13mm Short HSS 102 mm
RS Stock No. 828-195
BrandRS PRO
$6.88
Each
units
2.5mm Hexagon HSS -
RS Stock No. 522-6746
BrandRS PRO
$15.45
Each
units
6mm Jobber; Long HSS 200 mm
RS Stock No. 216-482
BrandRS PRO
$10.54
1 Box of 10
Box(es)
3.3mm Jobber HSCo 65 mm
RS Stock No. 214-199
BrandRS PRO
$22.25
1 Box of 10
Box(es)
7.5mm Jobber HSS 109 mm
RS Stock No. 669-9362
BrandRS PRO
$4.29
Each
units
2.5mm Hexagon HSS 38 mm
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