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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Viewing 1041 - 1060 of 1123 products
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Description Price Diameter Type Drilling Application Material Overall Length
RS Stock No. 794-7546
Mfr. Part No.A1086.8
BrandDormer
$150.51
1 Box of 10
Box(es)
6.8mm Jobber Multi-Material HSS 109 mm
RS Stock No. 299-7861
Mfr. Part No.A170-17,00
BrandDormer
$97.62
Each
units
17mm - - HSS 157 mm
RS Stock No. 707-2771
Mfr. Part No.DT4900-QZ
BrandDeWALT
$6.66
Each
units
2mm - - HSCo 49 mm
RS Stock No. 695-0415
Mfr. Part No.A9408.0
BrandDormer
$67.94
Each
units
8mm Long - HSCo 165 mm
RS Stock No. 188-7135
Mfr. Part No.D-09787
BrandMakita
$6.63
Each
units
8mm Jobber - HSS 117 mm
RS Stock No. 136-3904
Mfr. Part No.A1474.5
BrandDormer
$8.63
Each (In a Pack of 10)
units
4.5mm Jobber - HSS-E 80 mm
RS Stock No. 695-0535
Mfr. Part No.A9005/16
BrandDormer
$38.73
Each
units
5/16in Jobber - HSCo 114 mm
RS Stock No. 188-7132
Mfr. Part No.D-06410
BrandMakita
$32.33
Each
units
6mm Jobber - HSS 93 mm
RS Stock No. 768-3132
Mfr. Part No.2608585861
BrandBosch
$51.45
Each
units
8mm Twist Drill - HSS 117 mm
New
RS Stock No. 193-1577
Mfr. Part No.R4673.9
BrandDormer
$154.06
Each
units
3.9mm M Drill - Carbide 66 mm
RS Stock No. 545-884
Mfr. Part No.A100 2.6
BrandDormer
$3.562
Each (In a Pack of 5)
units
2.6mm Jobber Multi-Material HSS 57 mm
RS Stock No. 113-8625
Mfr. Part No.DT50016-QZ
BrandDeWALT
$26.14
Each
units
10mm Impact - Titanium 101.5 mm
RS Stock No. 667-3540
Mfr. Part No.R45810.0
BrandDormer
$114.51
Each
units
10mm Short - Solid Carbide 89 mm
RS Stock No. 695-0497
Mfr. Part No.A9005.0
BrandDormer
$16.85
Each
units
5mm Jobber - HSCo 86 mm
RS Stock No. 695-0677
Mfr. Part No.A9209.0
BrandDormer
$40.03
Each
units
9mm Short - HSCo 84 mm
RS Stock No. 768-3006
Mfr. Part No.2608585481
BrandBosch
$2.778
Each (In a Pack of 10)
units
3.1mm Jobber - HSS-G 65 mm
RS Stock No. 695-0419
Mfr. Part No.A9408.5
BrandDormer
$79.88
Each
units
8.5mm Long - HSCo 165 mm
RS Stock No. 794-7622
Mfr. Part No.A7776.8
BrandDormer
$175.41
1 Box of 10
Box(es)
6.8mm Jobber - HSS-E 109 mm
RS Stock No. 813-0067
Mfr. Part No.A002S10.2
BrandDormer
$23.07
Each
units
10.2mm Jobber - HSS-TiN 133 mm
RS Stock No. 794-7587
Mfr. Part No.A7772.0
BrandDormer
$59.14
1 Box of 10
Box(es)
2mm Jobber - HSS-E 49 mm
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