Solid carbide twist drill EF-

Solid carbide twist drill EF-Drill, DIN 6537K in STEEL geometry and with inclined clamping flat for use in steel, cast iron materials and non-ferrous materials.

Product features and benefits:

Internal cooling channels for high process reliability.
Four margins for improved guidance and hole quality.

International Material Comparison

Technical details

nominal diameter [in]:: 0.441 "
nominal diameter d₁ [mm]:: 11.2 mm
shank style:: HE
type:: Twist drills
coolant supply:: internal coolant supply
Geometry:: STEEL
number of margins:: 4
Type of construction standard:: DIN 6537K - ca.3xD
Coating:: TIALN-T14
OAL l₁:: 102 mm
shank diameter d₂:: 12 mm
Flute lenght l₂:: 55 mm
usable length l₃:: 40 mm
Clamping length l₄:: 45 mm
Center length l₅:: 2.04 mm
tool - sense of rotation:: right hand
tolerance work piece:: IT9-IT10
point angle:: 140 deg
cutting tolerance:: m7
shank diameter tolerance:: h6
cutting material:: carbide

nominal diameter [in]

0.441 "

nominal diameter d₁ [mm]

11.2 mm

shank style

type

Twist drills

coolant supply

internal coolant supply

Geometry

STEEL

number of margins

Type of construction standard

DIN 6537K - ca.3xD

Coating

TIALN-T14

OAL l₁

102 mm

shank diameter d₂

12 mm

Flute lenght l₂

55 mm

usable length l₃

40 mm

Clamping length l₄

45 mm

Center length l₅

2.04 mm

tool - sense of rotation

right hand

tolerance work piece

IT9-IT10

point angle

140 deg

cutting tolerance

shank diameter tolerance

cutting material

carbide

Material	Steel materials Search for value P1.1 Cold-extrusion steels, Construction steels, Free-cutting steels, etc. <= 600 N/mm² P2.1 Construction steels, Cementation steels, Steel castings, etc. <= 800 N/mm² P3.1 Cementation steels, Heat-treatable steels, Cold work steels, etc. <= 1000 N/mm² P4.1 Heat-treatable steels, Cold work steels, Nitriding steels, etc. <= 1200 N/mm² P5.1 High-alloyed steels, Cold work steels, Hot work steels, etc. <= 1400 N/mm² No results found Stainless steel materials Search for value M1.1 Ferritic, martensitic <= 950 N/mm² No results found Cast materials Search for value K1.1 Cast iron with lamellar graphite (GJL) 100-250 N/mm² K1.2 Cast iron with lamellar graphite (GJL) 250-450 N/mm² K2.1 Cast iron with nodular graphite (GJS) 350-500 N/mm² K2.2 Cast iron with nodular graphite (GJS) 500-900 N/mm² K3.1 Cast iron with vermicular graphite (GJV) 300-400 N/mm² K3.2 Cast iron with vermicular graphite (GJV) 400-500 N/mm² K4.1 Malleable cast iron (GTMW, GTMB) 250-500 N/mm² K4.2 Malleable cast iron (GTMW, GTMB) 500-800 N/mm² No results found Non ferrous materials Search for value N1.1 Aluminium wrought alloys <= 200 N/mm² N1.2 Aluminium wrought alloys <= 350 N/mm² N1.3 Aluminium wrought alloys <= 550 N/mm² N1.4 Aluminium cast alloys Si <= 7% N1.5 Aluminium cast alloys 7% < Si <= 12% N2.1 Pure copper, low-alloyed copper <= 400 N/mm² N2.2 Copper-zinc alloys (brass, long-chipping) <= 550 N/mm² N2.3 Copper-zinc alloys (brass, short-chipping) <= 550 N/mm² N2.4 Copper-aluminium alloys (alu bronze, long-chipping) <= 800 N/mm² N2.5 Copper-tin alloys (tin bronze, long-chipping) <= 700 N/mm² N2.6 Copper-tin alloys (tin bronze, short-chipping) <= 400 N/mm² N2.7 Special copper alloys <= 600 N/mm² N2.8 Special copper alloys <= 1400 N/mm² No results found Hard materials Search for value H1.1 High strength steels, hardened steels, hard castings 44 – 50 HRC H1.2 High strength steels, hardened steels, hard castings 50 – 55 HRC No results found

Unit	Millimeter Inch

VHM-EF-Drill-STEEL-DIN 6537K-HE-IK-4FF-TIALN-T14

Product features and benefits:

Accessories

EF-Whistle-Notch chuck HSK-A63

EF-Whistle-Notch chuck SK40 Form AD/B

EF-Whistle-Notch chuck SK50 Form AD/B