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, its 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 its 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 its 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 Drilling Application Material Overall Length
RS Stock No. 213-376
BrandRS PRO
MYR25.17
1 Box of 10
Box(es)
1.4mm Jobber - HSS-TiN 40 mm
RS Stock No. 213-433
BrandRS PRO
MYR29.93
1 Box of 10
Box(es)
1.7mm Jobber - HSS-TiN 43 mm
RS Stock No. 213-871
BrandRS PRO
MYR29.99
1 Box of 10
Box(es)
1.5mm Jobber - HSS-TiN 40 mm
RS Stock No. 212-991
BrandRS PRO
MYR32.01
1 Box of 10
Box(es)
1mm Jobber - HSS 32.5 mm
RS Stock No. 216-599
BrandRS PRO
MYR118.17
1 Box of 10
Box(es)
4.5mm Short - HSCo 80 mm
RS Stock No. 216-612
BrandRS PRO
MYR97.16
1 Box of 10
Box(es)
3.5mm Jobber - HSCo 70 mm
RS Stock No. 784-4829
BrandRS PRO
MYR59.99
Each
units
15mm Jobber - HSS 156 mm
RS Stock No. 694-447
BrandRS PRO
MYR140.38
Each
units
17mm Blacksmiths - HSS 184 mm
RS Stock No. 216-498
BrandRS PRO
MYR110.55
1 Box of 10
Box(es)
3mm Jobber - HSCo 61 mm
RS Stock No. 213-411
BrandRS PRO
MYR48.73
1 Box of 10
Box(es)
3mm Jobber - HSS-TiN 61 mm
RS Stock No. 787-7254
BrandRS PRO
MYR21.30
1 Tube of 5
Tube(s)
2mm Short - HSS-TiN 38 mm
RS Stock No. 787-7239
BrandRS PRO
MYR7.92
1 Tube of 5
Tube(s)
1mm Short - HSS-TiN 26 mm
RS Stock No. 784-4765
BrandRS PRO
MYR120.31
Each
units
14mm Morse Taper - HSS 189 mm
RS Stock No. 214-818
BrandRS PRO
MYR30.40
1 Box of 10
Box(es)
2mm Short - HSS 38 mm
RS Stock No. 787-7343
BrandRS PRO
MYR39.98
1 Tube of 5
Tube(s)
0.75mm Jobber - HSS 28 mm
RS Stock No. 787-7292
BrandRS PRO
MYR110.61
1 Tube of 5
Tube(s)
7mm Short - HSS-TiN 74 mm
RS Stock No. 784-4816
BrandRS PRO
MYR52.64
Each
units
14mm Jobber - HSS 156 mm
RS Stock No. 213-821
BrandRS PRO
MYR61.21
1 Box of 10
Box(es)
4mm Jobber - HSS-TiN 75 mm
RS Stock No. 784-4826
BrandRS PRO
MYR65.12
Each
units
16mm Jobber - HSS 156 mm
RS Stock No. 213-938
BrandRS PRO
MYR29.99
1 Box of 10
Box(es)
2.4mm Jobber - HSS-TiN 57 mm
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