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, it’s 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 it’s 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 it’s 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 Material Overall Length Shank Size Series Shank Type Cutting Length Point Angle
RS庫存編號 768-3148
製造零件編號2608585875
BrandBosch
HK$22.33
/個 (每包:10個)
單位
2.5mm Twist Drill HSS 57 mm 2.5mm - Plain 30mm 135°
RS庫存編號 768-3138
製造零件編號2608585842
BrandBosch
HK$29.93
單位
3mm Twist Drill HSS 61 mm 3mm - Plain 33mm 135°
RS庫存編號 787-7292
BrandRS PRO
HK$116.85
毎管:5 個
Tube(s)
7mm Short HSS 74 mm 7mm - Plain 34mm 135°
RS庫存編號 768-3172
製造零件編號2608585889
BrandBosch
HK$47.701
/個 (每包:10個)
單位
6mm Twist Drill HSS 93 mm 6mm - Plain 57mm 135°
RS庫存編號 794-7628
製造零件編號A7776.5
BrandDormer
HK$806.31
毎盒:10 個
Box(es)
6.5mm Jobber HSS-E 101 mm 6.5mm A777 Plain 63mm 135°
RS庫存編號 689-9853
製造零件編號A9002.0
BrandDormer
HK$54.78
單位
2mm Jobber HSCo 49 mm 2mm A900 Plain 24mm 130°
RS庫存編號 695-0459
製造零件編號A9002.0
BrandDormer
HK$48.88
單位
2mm Jobber HSCo 49 mm 2mm A900 Plain 24mm 130°
RS庫存編號 695-0443
製造零件編號A9001.0
BrandDormer
HK$66.87
單位
1mm Jobber HSCo 34 mm 1mm A900 Plain 12mm 130°
RS庫存編號 216-432
BrandRS PRO
HK$351.12
毎盒:10 個
Box(es)
8mm Jobber HSCo 117 mm 8mm - Plain 75mm 135°
RS庫存編號 768-3242
製造零件編號2608595059
BrandBosch
HK$15.655
/個 (每包:10個)
單位
4mm Twist Drill HSS 75 mm 4mm - Plain 43mm 135°
RS庫存編號 768-3150
製造零件編號2608585879
BrandBosch
HK$29.439
/個 (每包:10個)
單位
3.5mm Twist Drill HSS 70 mm 3.5mm - Plain 39mm 135°
RS庫存編號 794-7650
製造零件編號A77712.0
BrandDormer
HK$1,512.04
毎盒:5 個
Box(es)
12mm Jobber HSS-E 151 mm 12mm A777 Plain 101mm 135°
RS庫存編號 794-7580
製造零件編號A7771.0
BrandDormer
HK$424.49
毎盒:10 個
Box(es)
1mm Jobber HSS-E 34 mm 1mm A777 Plain 12mm 135°
RS庫存編號 794-7518
製造零件編號A1083.3
BrandDormer
HK$231.36
毎盒:10 個
Box(es)
3.3mm Jobber HSS 65 mm 3.3mm A108 Plain 36mm 135°
RS庫存編號 768-3227
製造零件編號2608595055
BrandBosch
HK$12.203
/個 (每包:10個)
單位
3mm Twist Drill HSS 61 mm 3mm - Plain 33mm 135°
RS庫存編號 695-0352
製造零件編號A9403.5
BrandDormer
HK$123.08
單位
3.5mm Long HSCo 112 mm 3.5mm A940 Plain 73mm 130°
RS庫存編號 386-8269
製造零件編號A002 8.80MM
BrandDormer
HK$66.02
單位
8.8mm Jobber HSS 125 mm 8.8mm A002 Plain 81mm 118°
RS庫存編號 178-125
製造零件編號A100 1-70
BrandDormer
HK$14.498
/個 (每包:5個)
單位
1.7mm Jobber HSS 43 mm 1.7mm A100 Plain 20mm 118°
RS庫存編號 794-7669
製造零件編號A77713.0
BrandDormer
HK$1,187.84
毎盒:5 個
Box(es)
13mm Jobber HSS-E 151 mm 13mm A777 Plain 101mm 135°
RS庫存編號 768-3217
製造零件編號2608595049
BrandBosch
HK$8.659
/個 (每包:10個)
單位
1mm Twist Drill HSS 34 mm 1mm - Plain 12mm 135°