CROWN BITS

Terra’s Crown Bits are sometimes referred to as Threaded Tube bits.

Terra Diamond builds all type and sizes of custom blades. Below is a list of some of our standard sizes.

SIZES
1"2"4.25"
1.125"2.25"4.5
1.25"2.5"5"
1.325"3"5.5"
1.5"3.25"6"
1.75"3.5"
1.875"4"

The Matrix is based on several factors including the bonding materials, degrees of hardness and abrasive resistance to name a few. Terra Diamond uses the matrix chart below to help customize to our customer’s needs.

MATRIXAPPLICATION FOR USE ON 3 to 30 HP SAWS
025Used for cutting granite and hard stone
100Hard formation, fast cutting
110Hard Formation, High HP
117Hard aggregate, High HP, heavy steel
125General Purpose hard aggregate, heavy steel
133General purpose, hard aggregate. Faster cutting for High Cycle /Hydraulic saws
150General purpose, medium aggregate. Faster cutting for High Cycle /Hydraulic saws
200Long life for high HP Hydraulic saws. True-tracking, high production
400Long life for soft/abrasive aggregate, brick or block

Specifications including diamond types and concentration, segment size and hardness are also involved in determining the specification of a segment. Below are the typical specifications for this blade.

PREMIUM
Concentration for lower HP drills
Minimum Diamond Depth: .250"
PRE PLUS
Concentration for small, low HP drills
Minimum Diamond Depth: .312"
PRO
Higher concentration,
for professional core drill rigs
Minimum Diamond Depth: .312"
SUPER PRO (SX)
Highest concentration,
for professional core drill rigs
Minimum Diamond Depth: .312"
The Ultimate Professional Core
PRO (WTZ)
Light to moderate reinforced concrete
High horse power drills
Minimum Diamond Depth: .350"
PRO (TZ)
Hard reinforced concrete
High horse power drills
Minimum Diamond Depth: .350"
PRO (WSX)
Critically reinforced concrete
High horse power drills
Minimum Diamond Depth: .400"