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庫存編號 216-606
BrandRS PRO
HK$243.14
毎盒:10 個
Box(es)
4mm Jobber - HSCo 75 mm
RS庫存編號 813-0070
製造零件編號A002S11.0
BrandDormer
HK$137.97
單位
11mm Jobber - HSS-TiN 142 mm
RS庫存編號 759-5760
製造零件編號2608596701
BrandBosch
HK$117.03
單位
5mm Self Centring - HSS 86 mm
RS庫存編號 214-212
BrandRS PRO
HK$361.04
毎盒:10 個
Box(es)
7.2mm Jobber - HSS-TiN 109 mm
RS庫存編號 787-7286
BrandRS PRO
HK$90.03
毎管:5 個
Tube(s)
6mm Short - HSS-TiN 66 mm
RS庫存編號 794-7414
製造零件編號2FRA0022.0
BrandDormer
HK$109.20
毎盒:10 個
Box(es)
2mm Jobber Multi-Material HSS-TiN 49 mm
RS庫存編號 794-7619
製造零件編號A7774.5
BrandDormer
HK$553.23
毎盒:10 個
Box(es)
4.5mm Jobber - HSS-E 80 mm
RS庫存編號 794-7417
製造零件編號2FRA0021.0
BrandDormer
HK$146.78
毎盒:10 個
Box(es)
1mm Jobber Multi-Material HSS 34 mm
RS庫存編號 212-929
BrandRS PRO
HK$313.64
毎盒:10 個
Box(es)
10mm Jobber - HSS 133 mm
RS庫存編號 386-5327
製造零件編號A160 8.0MM
BrandDormer
HK$289.66
單位
8mm Jobber - HSS; Solid Carbide Tipped 117 mm
RS庫存編號 214-240
BrandRS PRO
HK$316.90
毎盒:10 個
Box(es)
7mm Jobber - HSS-TiN 109 mm
RS庫存編號 213-095
BrandRS PRO
HK$180.17
毎盒:10 個
Box(es)
6mm Jobber - HSS 93.5 mm
RS庫存編號 787-7368
BrandRS PRO
HK$70.70
毎管:5 個
Tube(s)
0.95mm Jobber - HSS 32 mm
RS庫存編號 794-7606
製造零件編號A7774.0
BrandDormer
HK$451.62
毎盒:10 個
Box(es)
4mm Jobber - HSS-E 75 mm
RS庫存編號 794-7593
製造零件編號A7773.3
BrandDormer
HK$374.61
毎盒:10 個
Box(es)
3.3mm Jobber - HSS-E 65 mm
RS庫存編號 794-7325
製造零件編號A0025.5
BrandDormer
HK$129.49
毎盒:5 個
Box(es)
5.5mm Jobber Multi-Material HSS-TiN 93 mm
RS庫存編號 213-635
BrandRS PRO
HK$271.47
毎盒:10 個
Box(es)
6mm Jobber - HSS-TiN 93 mm
RS庫存編號 784-4781
BrandRS PRO
HK$368.94
單位
21mm Morse Taper - HSS 243 mm
RS庫存編號 768-3306
製造零件編號2608595081
BrandBosch
HK$126.068
/個 (每包:5個)
單位
12mm Jobber - HSS-G 151 mm
RS庫存編號 768-3179
製造零件編號2608585888
BrandBosch
HK$43.289
/個 (每包:10個)
單位
5.5mm Twist Drill - HSS 93 mm