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 794-7561
製造零件編號A10810.0
BrandDormer
HK$1,617.73
毎盒:10 個
Box(es)
10mm Jobber Multi-Material HSS 133 mm
RS庫存編號 787-7327
BrandRS PRO
HK$124.70
毎管:5 個
Tube(s)
0.3mm Jobber - HSS 19 mm
RS庫存編號 792-254
製造零件編號A110-11-5MM
BrandDormer
HK$217.47
單位
11.5mm Long - HSS 195 mm
RS庫存編號 784-4816
BrandRS PRO
HK$77.68
單位
14mm Jobber - HSS 156 mm
RS庫存編號 695-0421
製造零件編號A9409.5
BrandDormer
HK$543.74
單位
9.5mm Long - HSCo 175 mm
RS庫存編號 768-3318
製造零件編號2608595332
BrandBosch
HK$15.655
/個 (每包:10個)
單位
3.6mm Jobber - HSS-G 70 mm
RS庫存編號 768-3236
製造零件編號2608595056
BrandBosch
HK$13.499
/個 (每包:10個)
單位
3.2mm Jobber - HSS-G 65 mm
RS庫存編號 522-6651
BrandRS PRO
HK$84.66
單位
4mm Jobber; Long - HSS 250 mm
RS庫存編號 136-3927
製造零件編號A1234.9
BrandDormer
HK$21.393
/個 (每包:10個)
單位
4.9mm Stub - HSS 62 mm
RS庫存編號 299-7861
製造零件編號A170-17,00
BrandDormer
HK$550.83
單位
17mm - - HSS 157 mm
RS庫存編號 299-7934
製造零件編號A170-21,00
BrandDormer
HK$714.81
單位
21mm - - HSS 158 mm
RS庫存編號 545-806
製造零件編號A100 1.00MM
BrandDormer
HK$14.026
/個 (每包:5個)
單位
1mm Jobber Multi-Material HSS 34 mm
RS庫存編號 759-5754
製造零件編號2608596686
BrandBosch
HK$68.92
單位
3.5mm Self Centring - HSS 70 mm
RS庫存編號 216-684
BrandRS PRO
HK$862.12
毎盒:5 個
Box(es)
11.5mm Jobber - HSCo 142 mm
RS庫存編號 299-7805
製造零件編號A170-14,50
BrandDormer
HK$583.90
單位
14.5mm - - HSS 156 mm
RS庫存編號 794-7492
製造零件編號A1081.5
BrandDormer
HK$298.13
毎盒:10 個
Box(es)
1.5mm Jobber Multi-Material HSS 40 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 513-023
製造零件編號A100 2-8MM
BrandDormer
HK$15.124
/個 (每包:5個)
單位
2.8mm Jobber Multi-Material HSS 61 mm
RS庫存編號 768-3043
製造零件編號2608585496
BrandBosch
HK$26.445
/個 (每包:10個)
單位
5.9mm Jobber - HSS-G 93 mm
RS庫存編號 728-7251
製造零件編號A1255.0X200
BrandDormer
HK$182.00
單位
5mm Long - HSS 200 mm