Alpha Bi-Metal -Cobalt Holesaws

50 variants
PROMO – Order a carton and get a free t-shirt!
The very best bi-metal construction, with a 4/6 variable tooth pitch for fast cutting. - 50mm cutting depth and 5mm backing plate for long lasting use. - Shatter-proof. 8% cobalt bi metal, made in USA. - Available in 9 and 12pc sets.
Alpha Bi-Metal -Cobalt Holesaws

Customers also bought

ELITE Jobber Drill 507 – Metric
56 variants from
$1.41
or Register to see your price & quantities

ELITE Flap Disc 101
13 variants from
$4.31
or Register to see your price & quantities

Deerfos Green Masking Tape
3 variants from
$6.47
or Register to see your price & quantities

Need Help?

No worries. Reach us via ...
0800 278 600
sales@euromarc.co.nz
Online now (8am - 5pm)

Alpha Bi-Metal -Cobalt Holesaws Variants - Add to Cart

or Register to see your price & quantities
Image
Description
Specs
Availability
Features & Alerts
Bulk Price Discount
Add to Cart
QuickOrder
DRBHSW0014

Drill-size: 14.0mm

Drill-size14.0mm
Low Stock (1)
Unit (1) $29.75 ea
+Add 12 pack multiples to save
DRBHSW0016

Drill-size: 16.0mm

Drill-size16.0mm
Low Stock (0)
Unit (1) $30.64 ea
+Add 12 pack multiples to save
DRBHSW0017

Drill-size: 17.0mm

Drill-size17.0mm
Low Stock (0)
Unit (1) $30.93 ea
+Add 12 pack multiples to save
DRBHSW0019

Drill-size: 19.0mm

Drill-size19.0mm
In Stock (3)
Unit (1) $31.83 ea
+Add 12 pack multiples to save
DRBHSW0020

Drill-size: 20.0mm

Drill-size20.0mm
In Stock (3)
Unit (1) $32.19 ea
+Add 12 pack multiples to save
Placeholder
DRBHSW0021

Drill-size: 21.0mm

Drill-size21.0mm
Low Stock (0)
Unit (1) $32.72 ea
+Add 12 pack multiples to save
DRBHSW0022

Drill-size: 22.0mm

Drill-size22.0mm
In Stock (3)
Unit (1) $33.38 ea
+Add 12 pack multiples to save
Placeholder
DRBHSW0024

Drill-size: 24.0mm

Drill-size24.0mm
Low Stock (0)
Unit (1) $34.36 ea
+Add 12 pack multiples to save
DRBHSW0025

Drill-size: 25.0mm

Drill-size25.0mm
In Stock (4)
Unit (1) $34.81 ea
+Add 12 pack multiples to save
DRBHSW0027

Drill-size: 27.0mm

Drill-size27.0mm
In Stock (5)
Unit (1) $34.86 ea
+Add 12 pack multiples to save
DRBHSW0029

Drill-size: 29.0mm

Drill-size29.0mm
Low Stock (0)
Unit (1) $35.31 ea
+Add 12 pack multiples to save
DRBHSW0030

Drill-size: 30.0mm

Drill-size30.0mm
Low Stock (2)
Unit (1) $35.81 ea
+Add 12 pack multiples to save
DRBHSW0032

Drill-size: 32.0mm

Drill-size32.0mm
In Stock (4)
Unit (1) $36.73 ea
+Add 12 pack multiples to save
Placeholder
DRBHSW0033

Drill-size: 33.0mm

Drill-size33.0mm
Low Stock (1)
Unit (1) $37.23 ea
+Add 12 pack multiples to save
DRBHSW0035

Drill-size: 35.0mm

Drill-size35.0mm
Low Stock (1)
Unit (1) $38.08 ea
+Add 12 pack multiples to save
Placeholder
DRBHSW0037

Drill-size: 37.0mm

Drill-size37.0mm
Low Stock (0)
Unit (1) $38.88 ea
+Add 12 pack multiples to save
DRBHSW0038

Drill-size: 38.0mm

Drill-size38.0mm
In Stock (3)
Unit (1) $39.48 ea
+Add 12 pack multiples to save
DRBHSW0040

Drill-size: 40.0mm

Drill-size40.0mm
In Stock (3)
Unit (1) $40.35 ea
+Add 12 pack multiples to save
DRBHSW0041

Drill-size: 41.0mm

Drill-size41.0mm
Low Stock (0)
Unit (1) $40.92 ea
+Add 12 pack multiples to save
Placeholder
DRBHSW0043

Drill-size: 43.0mm

Drill-size43.0mm
Low Stock (0)
Unit (1) $41.71 ea
+Add 12 pack multiples to save
DRBHSW0044

Drill-size: 44.0mm

Drill-size44.0mm
In Stock (3)
Unit (1) $42.13 ea
+Add 12 pack multiples to save
DRBHSW0048

Drill-size: 48.0mm

Drill-size48.0mm
Low Stock (0)
Unit (1) $42.53 ea
+Add 12 pack multiples to save
DRBHSW0050

Drill-size: 50.0mm

Drill-size50.0mm
Low Stock (2)
Unit (1) $43.29 ea
+Add 12 pack multiples to save
DRBHSW0051

Drill-size: 51.0mm

Drill-size51.0mm
In Stock (4)
Unit (1) $43.79 ea
+Add 12 pack multiples to save
Placeholder
DRBHSW0054

Drill-size: 54.0mm

Drill-size54.0mm
Low Stock (0)
Unit (1) $45.16 ea
+Add 12 pack multiples to save
Placeholder
DRBHSW0055

Drill-size: 55.0mm

Drill-size55.0mm
Low Stock (0)
Unit (1) $48.49 ea
+Add 12 pack multiples to save
DRBHSW0057

Drill-size: 57.0mm

Drill-size57.0mm
Low Stock (2)
Unit (1) $46.52 ea
+Add 12 pack multiples to save
DRBHSW0060

Drill-size: 60.0mm

Drill-size60.0mm
Low Stock (0)
Unit (1) $47.83 ea
+Add 12 pack multiples to save
DRBHSW0064

Drill-size: 64.0mm

Drill-size64.0mm
Low Stock (2)
Unit (1) $49.65 ea
+Add 12 pack multiples to save
Placeholder
DRBHSW0065

Drill-size: 65.0mm

Drill-size65.0mm
Low Stock (1)
Unit (1) $51.46 ea
+Add 12 pack multiples to save
Placeholder
DRBHSW0067

Drill-size: 67.0mm

Drill-size67.0mm
Low Stock (0)
Unit (1) $51.46 ea
+Add 12 pack multiples to save
Placeholder
DRBHSW0068

Drill-size: 68.0mm

Drill-size68.0mm
Low Stock (1)
Unit (1) $51.46 ea
+Add 12 pack multiples to save
DRBHSW0070

Drill-size: 70.0mm

Drill-size70.0mm
Low Stock (1)
Unit (1) $51.65 ea
+Add 12 pack multiples to save
Placeholder
DRBHSW0073

Drill-size: 73.0mm

Drill-size73.0mm
Low Stock (0)
Unit (1) $52.89 ea
+Add 12 pack multiples to save
DRBHSW0076

Drill-size: 76.0mm

Drill-size76.0mm
In Stock (3)
Unit (1) $54.14 ea
+Add 12 pack multiples to save
DRBHSW0079

Drill-size: 79.0mm

Drill-size79.0mm
Low Stock (1)
Unit (1) $55.58 ea
+Add 12 pack multiples to save
DRBHSW0083

Drill-size: 83.0mm

Drill-size83.0mm
Low Stock (1)
Unit (1) $57.46 ea
+Add 12 pack multiples to save
Placeholder
DRBHSW0089

Drill-size: 89.0mm

Drill-size89.0mm
Low Stock (0)
Unit (1) $60.51 ea
+Add 12 pack multiples to save
DRBHSW0092

Drill-size: 92.0mm

Drill-size92.0mm
Low Stock (1)
Unit (1) $62.32 ea
+Add 12 pack multiples to save
Placeholder
DRBHSW0095

Drill-size: 95.0mm

Drill-size95.0mm
Low Stock (0)
Unit (1) $65.07 ea
+Add 12 pack multiples to save
Placeholder
DRBHSW0100

Drill-size: 100.0mm

Drill-size100.0mm
In Stock (5)
Unit (1) $74.70 ea
+Add 12 pack multiples to save
DRBHSW0102

Drill-size: 102.0mm

Drill-size102.0mm
Low Stock (2)
Unit (1) $76.11 ea
+Add 12 pack multiples to save
DRBHSW0105

Drill-size: 105.0mm

Drill-size105.0mm
Low Stock (2)
Unit (1) $80.20 ea
+Add 12 pack multiples to save
Placeholder
DRBHSW0108

Drill-size: 108.0mm

Drill-size108.0mm
Low Stock (0)
Unit (1) $83.55 ea
+Add 12 pack multiples to save
Placeholder
DRBHSW0114

Drill-size: 114.0mm

Drill-size114.0mm
Low Stock (0)
Unit (1) $87.01 ea
+Add 12 pack multiples to save
Placeholder
DRBHSW0121

Drill-size: 121.0mm

Drill-size121.0mm
Low Stock (1)
Unit (1) $100.60 ea
+Add 12 pack multiples to save
Placeholder
DRBHSW0127

Drill-size: 127.0mm

Drill-size127.0mm
Low Stock (1)
Unit (1) $102.78 ea
+Add 12 pack multiples to save
Placeholder
DRBHSW0140

Drill-size: 140.0mm

Drill-size140.0mm
Low Stock (0)
Unit (1) $109.16 ea
+Add 12 pack multiples to save
Placeholder
DRBHSW0146

Drill-size: 146.0mm

Drill-size146.0mm
Low Stock (0)
Unit (1) $118.05 ea
+Add 12 pack multiples to save
Placeholder
DRBHSW0152

Drill-size: 152.0mm

Drill-size152.0mm
Low Stock (1)
Unit (1) $153.27 ea
+Add 12 pack multiples to save

Videos & Resources

Resources

Quiz: Do you know the 5 different types of thread lockers?
Do you know the difference and when to use each type?
13 Feb 2026 - Machinery Maintenance & Lubrication

Why Chlorine’s Out
Do you know the difference and when to use each type?
12 Feb 2026 - Safety

Battle of the Etch Primers – Engineer Tested
Euromarc’s in-house engineer performed 8 back to back tests to find out which primer won in the harshest conditions.
12 Feb 2026 - Product Research

Register

Enter your details to create your free account.

Min 8 characters, 1 capital letter, & 1 special character.

Benefits of a Euromarc account

Chat IconAvailable to everyone
View stock levels & shipping times
Access to trade accounts, & order history
Register for our helpful stock systems

Save to QuickOrder

Access Restricted

Cart - 0

No products in the cart.

Continue Shopping View Cart Checkout