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 394-6943
製造零件編號A002-12.1
BrandDormer
HK$179.84
單位
12.1mm Jobber - HSS 151 mm
RS庫存編號 136-8727
製造零件編號A08910
BrandDormer
HK$188.76
整套:1 個
Set(s)
4 mm, 5 mm, 6 mm, 8 mm, 10 mm Drill Set - HSS 75 mm, 86 mm, 93 mm, 117 mm, 133 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 216-634
BrandRS PRO
HK$218.85
毎盒:10 個
Box(es)
1.5mm Jobber - HSCo 40 mm
RS庫存編號 136-3912
製造零件編號A1477.5
BrandDormer
HK$97.904
/個 (每包:5個)
單位
7.5mm Jobber - HSS-E 109 mm
RS庫存編號 188-7136
製造零件編號D-09824
BrandMakita
HK$57.69
單位
10mm Jobber - HSS 133 mm
RS庫存編號 667-3547
製造零件編號R4589.5
BrandDormer
HK$617.30
單位
9.5mm Short - Solid Carbide 89 mm
RS庫存編號 787-7267
BrandRS PRO
HK$31.44
毎管:5 個
Tube(s)
3mm Short - HSS 46 mm
RS庫存編號 768-3034
製造零件編號2608585490
BrandBosch
HK$19.288
/個 (每包:10個)
單位
4.9mm Jobber - HSS-G 86 mm
RS庫存編號 695-0591
製造零件編號A9202.0
BrandDormer
HK$47.59
單位
2mm Miniature - HSCo 38 mm
RS庫存編號 728-7201
製造零件編號A1251.5X160
BrandDormer
HK$167.38
單位
1.5mm Long - HSS 160 mm
RS庫存編號 217-277
BrandRS PRO
HK$563.31
毎盒:5 個
Box(es)
12mm Jobber - HSS 151 mm
RS庫存編號 394-6965
製造零件編號A002-12.3
BrandDormer
HK$159.70
單位
12.3mm Jobber - HSS 151 mm
全新
RS庫存編號 193-1611
製造零件編號R4633.1
BrandDormer
HK$853.65
單位
3.1mm M Drill Stainless Steel Carbide 66 mm
RS庫存編號 695-0377
製造零件編號A9404.2
BrandDormer
HK$171.26
單位
4.2mm Long - HSCo 119 mm
RS庫存編號 522-6667
BrandRS PRO
HK$102.16
單位
4mm Jobber; Long - HSS 315 mm
RS庫存編號 188-7132
製造零件編號D-06410
BrandMakita
HK$177.32
單位
6mm Jobber - HSS 93 mm
RS庫存編號 792-282
製造零件編號A110-13MM
BrandDormer
HK$268.61
單位
13mm Long - HSS 205 mm
全新
RS庫存編號 193-1607
製造零件編號R46712.5
BrandDormer
HK$1,985.64
單位
12.5mm M Drill Stainless Steel Carbide 107 mm
RS庫存編號 769-0329
製造零件編號2608585506
BrandBosch
HK$315.17
1 包 10 套
Pack(s)
7.8mm Jobber - HSS-G 117 mm