Kennametal Carbide Deep Hole Drills

HP Solid Carbide Deep-Hole Drills for Steel, Cast Iron, and Non-Ferrous Materials

Primary Application

B27_HPG Series Solid Carbide Drills are the optimum platform for drilling holes up to 30 x D in steel, cast iron, and stainless steel materials. Drill deep holes up to 4x faster than conventional HSS and gun drills. Application of MQL is possible.

The B27_HPS in the new uncoated KN25™ grade now offers the same advantages for drilling in non-ferrous materials such as aluminium, copper, and brass. These series are now available from 2,3–16mm (.09–.63") diameter and in lengths from 15–30 x D.

Features and Benefits

HP Drill-Point Design

Low thrust.
Excellent centring capabilities.
Highest possible feed rates.

Four-Margin Lands

Improves hole straightness.
Improves hole alignment when drilling through cross holes.

Unique Flute Design

Drastically improved chip evacuation.
Better hole surface quality.

Customisation

Intermediate diameters available as semi-standards.
Length variations -including even longer versions -available as engineered solutions.

Click through to the products to see videos of them in action.

B271 KCPK20

Product Code	D1	L	L3	L4 Max	L5	D
B271Z09000HPG KCPK20 »	9.00	200.00	155.00	135.00	1.70	9.00
B271Z09100HPG KCPK20 »	9.10	219.00	169.00	148.00	1.70	10.00
B271Z09500HPG KCPK20 »	9.50	219.00	170.00	149.00	1.80	10.00
B271Z09525HPG KCPK20 »	9.53	219.00	170.00	149.00	1.80	10.00
B271Z09750HPG KCPK20 »	9.75	219.00	171.00	149.00	1.80	10.00

B271 K25

Product Code	D1	L	L3	L4 Max	L5	D
B271Z09000HPS KN25 »	9.00	200.00	155.00	135.00	1.70	9.00
B271Z09500HPS KN25 »	9.50	219.00	170.00	149.00	1.80	10.00
B271Z09525HPS KN25 »	9.53	219.00	170.00	149.00	1.80	10.00

B272 KCPK20

Product Code	D1	L	L3	L4 Max	L5	D
B272Z09000HPG KCPK20 »	9.00	245.00	200.00	180.00	1.70	9.00
B272Z09100HPG KCPK20 »	9.10	269.00	215.00	194.00	1.70	10.00
B272Z09500HPG KCPK20 »	9.50	269.00	218.00	197.00	1.80	10.00
B272Z09525HPG KCPK20 »	9.53	269.00	218.00	197.00	1.80	10.00
B272Z09750HPG KCPK20 »	9.75	269.00	220.00	198.00	1.80	10.00

B272 KN25

Product Code	D1	L	L3	L4 Max	L5	D
B272Z09000HPS KN25 »	9.00	245.00	200.00	180.00	1.70	9.00
B272Z09525HPS KN25 »	9.53	269.00	218.00	197.00	1.80	10.00
B272Z09750HPS KN25 »	9.75	269.00	220.00	198.00	1.80	10.00

B273 KCPK20

Product Code	D1	L	L3	L4 Max	L5	D
B273Z09000HPG KCPK20 »	9.00	290.00	245.00	225.00	2.00	9.00
B273Z09100HPG KCPK20 »	9.10	319.00	260.00	239.00	2.00	10.00
B273Z09525HPG KCPK20 »	9.53	319.00	266.00	245.00	2.00	10.00

B273 KN25

Product Code	D1	L	L3	L4 Max	L5	D
B273Z09000HPS KN25 »	9.00	290.00	245.00	225.00	2.00	9.00
B273Z09525HPS KN25 »	9.53	319.00	266.00	245.00	2.00	10.00

B274 KCPK20

Product Code	D1	L	L3	L4 Max	L5	D
B274Z09000HPG KCPK20 »	9.00	335.00	290.00	270.00	1.66	9.00
B274Z09100HPG KCPK20 »	9.10	369.00	306.00	285.00	1.68	10.00
B274Z09525HPG KCPK20 »	9.53	369.00	313.00	292.00	1.76	10.00

B274 KN25

Product Code	D1	L	L3	L4 Max	L5	D
B274Z09000HPS KN25 »	9.00	335.00	290.00	270.00	1.66	9.00
B274Z09525HPS KN25 »	9.53	369.00	313.00	292.00	1.76	10.00