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. 787-7359
BrandRS PRO
PHP423.62
1 Tube of 5
Tube(s)
0.8mm Jobber - HSS 30 mm
RS Stock No. 216-640
BrandRS PRO
PHP646.94
1 Box of 10
Box(es)
1mm Jobber - HSCo 34 mm
RS Stock No. 213-411
BrandRS PRO
PHP607.62
1 Box of 10
Box(es)
3mm Jobber - HSS 61 mm
RS Stock No. 214-004
BrandRS PRO
PHP2,344.40
1 Box of 10
Box(es)
8mm Jobber - HSS 117 mm
RS Stock No. 213-089
BrandRS PRO
PHP528.23
1 Box of 10
Box(es)
2.5mm Jobber - HSS 56 mm
RS Stock No. 784-4832
BrandRS PRO
PHP769.35
Each
units
17.5mm Jobber - HSS 156 mm
RS Stock No. 216-656
BrandRS PRO
PHP1,174.43
1 Box of 10
Box(es)
2.5mm Jobber - HSCo 57 mm
RS Stock No. 212-991
BrandRS PRO
PHP399.14
1 Box of 10
Box(es)
1mm Jobber - HSS 32.5 mm
RS Stock No. 213-506
BrandRS PRO
PHP1,754.59
1 Box of 5
Box(es)
11.5mm Jobber - HSS 142 mm
RS Stock No. 668-0955
BrandRS PRO
PHP706.29
1 Box of 10
Box(es)
1/8in Jobber - HSS 65 mm
RS Stock No. 213-635
BrandRS PRO
PHP1,760.53
1 Box of 10
Box(es)
6mm Jobber - HSS 93 mm
RS Stock No. 213-203
BrandRS PRO
PHP1,069.08
1 Box of 10
Box(es)
5mm Jobber - HSS 86 mm
RS Stock No. 213-540
BrandRS PRO
PHP3,843.04
1 Box of 5
Box(es)
13mm Jobber - HSS 151 mm
RS Stock No. 213-887
BrandRS PRO
PHP348.69
1 Box of 10
Box(es)
1mm Jobber - HSS 34 mm
RS Stock No. 668-0964
BrandRS PRO
PHP971.89
1 Box of 10
Box(es)
4.7mm Jobber - HSS 86 mm
RS Stock No. 214-076
BrandRS PRO
PHP3,507.70
1 Box of 10
Box(es)
9.5mm Jobber - HSS 125 mm
RS Stock No. 784-4804
BrandRS PRO
PHP5,071.63
Each
units
30mm Morse Taper - HSS 296 mm
RS Stock No. 213-691
BrandRS PRO
PHP2,296.18
1 Box of 10
Box(es)
8.5mm Jobber - HSS 117 mm
RS Stock No. 784-4800
BrandRS PRO
PHP4,447.69
Each
units
28mm Morse Taper - HSS 291 mm
RS Stock No. 213-326
BrandRS PRO
PHP2,354.05
1 Box of 5
Box(es)
10.5mm Jobber - HSS 133 mm
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