Carbide Pilot Hole Correction Boring Bit

Carbide Pilot Hole Correction Boring Bit
In case the hole pitch has an intersection or the inclination tolerance of the hole is demanding.
By using it before finishing the reamer, the bend of the hole can be modified.

Référence pièce

Vous pouvez trouver ici le numéro
de référence lié au produit recherché.

Carbide Pilot Hole Correction Boring Bit:Related Image
Référence pièce
BRB3-[1.8-2/0.1]-[6-10/1]
BRB4-[1.8-3.5/0.1]-[6-15/1]
BRB6-[2.5-5/0.1]-[10-20/1]
Référence pièceQuantité minimale de commandeRemise sur volume
Jour
d'expédition standard
?
Tool Diameter
(mm)
No. Shank Diameter d
(mm)
Overall Length L
(mm)
Runout Length (ℓ)
(mm)
1 8 jours 1.8 ~ 233406 ~ 10
1 8 jours 1.8 ~ 3.544506 ~ 15
1 8 jours 2.5 ~ 5666010 ~ 20

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Spécifications

Carbide Pilot Hole Correction Boring Bit:Related Image

Model Number Flute Diameter
D
0.1 mm Increment Designation
Recess Length

1 mm Increment Designation
Overall Length
L
Shank Diameter
d
No.
BRB31.8 ~ 2.06 ~ 10403
41.8 ~ 2.46 ~ 10504
2.5 ~ 3.510 ~ 15
62.5 ~ 3.010 ~ 15606
3.1 ~ 5.010 ~ 20

Plus d'informations


When there is tolerance on the hole pitch, or when the allowable margin of error in the hole inclination is very limited, the use of this product before finishing with a reamer allows the hole skew to be corrected.

■Reference examples of machining process
(when positional accuracy, diameter precision, or surface roughness are required)
Finished DiameterDiameter of Pilot Hole
(drill diameter)
Diameter of Pilot Hole
(bit diameter)
Spiral
Reamer
Pentagonal, Hexagonal
Reamer
Ø 2.0Ø 1.7Ø 1.8Ø 1.98Ø 2.00
Ø 2.5Ø 2.2Ø 2.3Ø 2.48Ø 2.50
Ø 3.0Ø 2.7Ø 2.8Ø 2.98Ø 3.00
Ø 3.5Ø 3.2Ø 3.3Ø 3.48Ø 3.50
Ø 4.0Ø 3.7Ø 3.8Ø 3.98Ø 4.00
Ø 4.5Ø 4.2Ø 4.3Ø 4.48Ø 4.50
Ø 5.0Ø 4.7Ø 4.8Ø 4.98Ø 5.00
[ ! ]Machine the finished diameter with a spiral reamer, after drilling pilot holes, if only positional accuracy is required. (a pentagonal or hexagonal reamer is not required)

■ Cutting Conditions
Bit DiameterFeed Rate
F (mm/min)
Revolution Speed
(min-1)
Ø 1.8223,700
Ø 2.3253,400
Ø 2.8273,100
Ø 3.3282,900
Ø 3.8302,700
Ø 4.3312,500
Ø 4.8322,300

Informations de base

Shank type Tige de fraise Work Material General Steel / Heat-Treated Steel / Acier inoxydable / Fonte / Aluminium / Cuivre Coating Presence None
Groove Shape Droit Base-Blade Availability None Diameter Tolerance(mm) -0.02 ~ 0
Tool Material Type Carbide

Assistance technique