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 217-441
BrandRS PRO
HK$176.40
毎盒:10 個
Box(es)
2mm Jobber - HSS 49 mm
RS庫存編號 794-7603
製造零件編號A7773.5
BrandDormer
HK$411.15
毎盒:10 個
Box(es)
3.5mm Jobber - HSS-E 70 mm
RS庫存編號 695-0370
製造零件編號A9404.5
BrandDormer
HK$178.81
單位
4.5mm Long - HSCo 126 mm
RS庫存編號 695-0658
製造零件編號A9206.5
BrandDormer
HK$128.24
單位
6.5mm Short - HSCo 70 mm
RS庫存編號 792-377
製造零件編號A110-1/4IN
BrandDormer
HK$68.87
單位
1/4in Long - HSS 148 mm
RS庫存編號 784-4848
BrandRS PRO
HK$135.45
單位
19mm Jobber - HSS 156 mm
RS庫存編號 828-0276
製造零件編號A002S4.0
BrandDormer
HK$21.38
/個 (每包:2個)
單位
4mm Jobber - HSS-TiN 75 mm
RS庫存編號 794-7489
製造零件編號2FRA00211.5
BrandDormer
HK$495.81
毎盒:5 個
Box(es)
11.5mm Jobber Multi-Material HSS-TiN 142 mm
RS庫存編號 787-7318
BrandRS PRO
HK$228.23
毎管:5 個
Tube(s)
9mm Short - HSS-TiN 84 mm
RS庫存編號 695-0333
製造零件編號A9401.5
BrandDormer
HK$151.24
單位
1.5mm Long - HSCo 70 mm
RS庫存編號 695-0582
製造零件編號A9201/16
BrandDormer
HK$52.51
單位
1/16in Short - HSCo 41 mm
RS庫存編號 728-7194
製造零件編號A1205/8
BrandDormer
HK$258.66
單位
5/8in Short - HSS 66 mm
RS庫存編號 667-3519
製造零件編號R4585.5
BrandDormer
HK$446.16
單位
5.5mm Short - Solid Carbide 66 mm
RS庫存編號 794-7259
製造零件編號A0023.2
BrandDormer
HK$69.44
毎盒:5 個
Box(es)
3.2mm Jobber Multi-Material HSS-TiN 65 mm
RS庫存編號 162-4067
製造零件編號3128820051624
BrandTivoly
HK$42.18
毎盒:2 個
Box(es)
3mm Jobber; Self Centring - HSS -
RS庫存編號 213-269
BrandRS PRO
HK$237.15
毎盒:10 個
Box(es)
5.8mm Jobber - HSS-TiN 93 mm
RS庫存編號 695-0526
製造零件編號A9007.5
BrandDormer
HK$195.97
單位
7.5mm Jobber - HSCo 109 mm
全新
RS庫存編號 193-1571
製造零件編號R4673.4
BrandDormer
HK$783.30
單位
3.4mm M Drill Stainless Steel Carbide 62 mm
RS庫存編號 695-0510
製造零件編號A9006.8
BrandDormer
HK$164.05
單位
6.8mm Jobber - HSCo 109 mm
RS庫存編號 768-3223
製造零件編號2608595053
BrandBosch
HK$11.188
/個 (每包:10個)
單位
2.5mm Jobber - HSS-G 57 mm