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ATORN stepped drill bit type N, HSSE medium quality grade M4 8.0 mm HA

Versions

Item no: 1010853 102

Online price:

Catalogue price: You save:

Available for immediate delivery

Min. order quantity: 1

Application
According to DIN/ISO 273 and countersinking according to DIN 74, for cylinder head screws according to DIN 912, 6912, 7984 and ISO 1207. Hole and countersink produced in one machining step.

Execution
profile-ground

Advantage

precise alignment of drill diameter and countersink diameter, lower process costs
Special geometry for outstanding centring and positional accuracy

Brand: ATORN
Material to be processed: Universal use
Cutting material: HSSE
Surface: Uncoated
Type: N
Angle of the tip: 118 Degree
Tool holding device: HA parallel shank
Suitable for screw thread: M4
Pilot hole diameter (d1): 4,5 mm
Spot-facer diameter (d2): 8 mm
Pilot hole length (l3): 11 mm
Chip flute length (l2): 19 mm
Length (l1): 50 mm
Shank diameter: 8 mm
f steel 1000: 0,05 mm/r
DIN: 0 - not applicable

ATORN-No.: 10440175

EAN no.: 4050293013061

Product Datasheet Datasheet cutting values

Versions

Keywords:

No workshop should be without it:

WERA torque screwdriver T 6 set to 0.6 Nm, fixed blade

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ATORN A-Mech 3 assembly glove, size 9

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Inspektionskamera VideoPocket HD

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LOCTITE 243 threadlocker 50 g

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Cs. + cs. deburring tool set 6 pcs 90° HSS-E dia. 6.3-20.5 mm in metal box

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ATORN steel cutting disc 125x1 mm

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ATORN PZ screwdriver set, 3 pcs, PZ 1-3, round blade

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ATORN A-View 1 safety glasses

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Kegelsenker-Satz 90° HSS-TiAlN Form C ungl. Teilung 3 Spannflächen Ø 6,3-20,5 mm

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3D art. meas. stand with central clamping and micro fine adj., height 390 mm

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Cs. + cs. deburring tool set 6 pcs 90° HSS/TiN 6.3-20.5 mm in plastic box

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ATORN banded ear plugs, 32 dB

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ATORN 1/4 inch hexagon socket with flexible blade

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ATORN A-Mech 22 assembly glove, size 9

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ATORN ear defenders, 37 dB

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Digitales Drehmoment Testgerät, 5- 500 Nm 3/4 + 3/8 + 1/2 + 1/4 Zoll

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TX® screwdriver set 9 pieces T10-50

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ATORN vernier calipers IP67 electr. 150 mm depth gauge flat

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Caramba high-performance PTFE 500 ml spray can

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ATORN twist drill bit set N HSS TIN head DIN 338 1.0-10.0 mm in assortment case

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ATORN VDE screwdriver set, 3 pcs, cross head PH 1-3

17,43 €
ATORN A-Shield 2 cut protection glove, size 9

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ATORN ear plug dispenser

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ATORN flat square, stainless 150 x 100 mm in line with DIN 875 precision 1

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Protective vice jaw set 125 mm 8 pieces in bag

67,15 €
Prec. countersink set 5 pcs HSS-E Alunit d. 6.3/10.4/16.5/20.5/25.0 mm

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Free-hand cutting disc, straight, universal line PSF STEELOX grit 60 125x1.0 mm

1,97 €
ATORN countersink set, 60°, HSS, extremely unequal pitch 6.3-20.5 mm 3-flat shnk

182,28 €
ATORN LED magnifying lamp, 5 dioptres, 2-stage segment switching, 2.25x

286,08 €
Pneumatic micro die grinder 9032 M air consumption 75 l/min length 132 mm

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ATORN A-View 2 safety glasses

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ATORN try square stainless 150 x 100 mm in line with DIN 875 precision 1

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Adapter set 958/7

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ATORN hexagonal Allen key set, 9 pieces, 1.5–10 mm, ball head, colourful

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ATORN countersink set, 60°, HSS, extremely unequal pitch 6.3-20.5 mm

176,70 €
Prec. cntrsink drill set 5 pcs dia. 6.3/10.4/16.5/20.5/25.0 mm w/ 3 clamp surf.

265,68 €
Safety goggles MAX T7 lens clear

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ATORN A-Mech 2 assembly glove, size 9

2,46 €
ATORN cutter blade with 18-mm snap-off blade, metal housing, with slide

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ATORN disposable ear plugs, 400 pairs

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ATORN twist drill bit set STEP DRILL type N HSS vaporised 1-10 mm 0.5 in box

92,82 €
ATORN A-Mech 1 assembly glove, size 9

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ATORN twist drill bit set STEP DRILL type N HSSE purple 1-10 mm 0.5 in box

149,24 €
LOCTITE LB 8040 rapid rust remover 400 ml

16,20 €
Pneumatic metered blow gun 37 A 90 mm pipe POM Rc 1/4 grommet LW 6

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Safety goggles MAX A1 lens clear

7,90 €
T-handle 416 RA T-handle Rapidaptor

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ATORN twist drill bit set STEP DRILL type N HSS vaporised 1-10.5 mm 0.5 and CHD

120,12 €
Pneumatic special oil 100 ml silicone-free with locking cap

7,30 €
ATORN wooden folding rule, white 2 m EC class III, with angle scale

7,49 €
Set of flat hand engineer's files with handle, 5 pieces, L=200mm, German cut 2

75,20 €
Hexagon screwdriver set 8 pieces 2-10 mm

120,50 €
ErgoStrip universal stripping tool 0.2-4.0 mm length 135 mm right-handed

33,03 €
ATORN hexagon screwdriver set, 9 pieces, 1.5–10 mm, with ball head, long

19,21 €
Multiclean cleaning cloth roll 1000 pcs 34x37 cm 2 ply blue perforated absorbent

42,30 €
LOCTITE 270 threadlocker 50 g

60,50 €
ATORN twist drill bit set STEP DRILL type N HSSE purple 1-10.5 mm 0.5 and CHD

181,09 €
Octagonal pin punch set 6 pieces dia. 2-8 mm in stand

41,40 €
ATORN A-Shield 4 cut protection glove, size 9

7,57 €
ATORN twist drill bit set STEP DRILL type N HSS vaporised 1-13 mm 0.5 in box

169,26 €
ATORN countersink set, 90°, HSS, extremely unequal pitch 6.3-20.5mm, 3-flat shnk

180,42 €
Blade scraper Argentax with extra wide handle replaceable blades

7,84 €
Pliers set, 3 pcs comb. pliers, side cutters, high-tech water pump pliers

57,44 €
ATORN TX screwdriver set, 5 pcs, TX 10, 15, 20, 25, 30

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ATORN countersink set, 90°, unequal spiral pitch 6.3-25.0 mm, 3-flat shank

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Measuring cup set 3 pcs 0.5 l, 1.0 l, 2.0 l, transparent, coloured/raised scale

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ATORN measuring and clamping vee blocks 80 mm w switch magnet, wooden case

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Lamella flap disc LSZ-F Vision zirconia alumina grain 60 dia. 125 mm

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HHW twist drill bit set DIN 338 HSS type N dia. 1-13.0 mm in box

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ATORN A-Mech 4 assembly glove, size 9

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ATORN twist drill bit set STEP DRILL type N HSS TiN head 1-13 mm 0.5 in box

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ATORN twist drill bit set STEP DRILL type N HSSE purple 1-13 mm 0.5 in box

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ATORN countersink set 90° HSS, extremely unequal pitch 6.3-20.5 mm

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Multifunction spray WD-40 400 ml

9,36 €
ATORN twist drill bit set N HSS TiN head DIN 338 1.0-13.0 mm 0.5 in box

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Metal saw bow for 300 mm saw blade length

22,94 €
Thread limit plug gauge for standard ISO thread DIN 2280 nom. dia. M 6 6H

40,40 €
ATORN twist drill bit set STEP DRILL type N HSSE purple 1-13 mm 0.5 and CHD

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Pliers wrench 250 mm up to AF 52 mm 19x position box joint

49,63 €
ATORN HSSE machine tap set M3-12 HSSE DL

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ATORN ear defenders, 33 dB

16,10 €
ATORN corundum abrasive fabric roll (AO) in tear-off box G180 40 mm x 50 m

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ATORN A-View 5 full-vision safety goggles

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Lamella flap disc Z SG POWER STEELOX, dia. 125 mm, alumina zirconia, 40 grit

6,30 €
Pliers set, 3 pcs Combination pliers, snipe nose pliers, side cutters

75,95 €
Tabletop scales type FCE 15 K5 w/LC display reading 5g max. weighing range 15kg

128,30 €
Funnel set 6 pieces dia. 50, 75, 100, 120, 150, 160 mm polyethylene

16,00 €
ATORN twist drill bit set STEP DRILL type N HSS vaporised 1-13 mm 0.5 and CHD

191,10 €
Safety goggles MAX C4 lens clear

4,50 €
ATORN cross-peen hammer 1,000 g, hickory handle, nylon handle protect. sleeve

19,18 €
ATORN A-Shield 1 cut protection glove, size 9

6,69 €
ATORN dial gauge, 10 mm meas. diff. 0.01 mm graduation shock-res, dia. 58 mm

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ATORN A-Shield 3 cut protection glove, size 9

7,30 €
ATORN centre drill set HSSE TiALN form A, D=1-1.6-2-2.5-3.15-4-5

252,08 €
ATORN disposable ear plugs, 200 pairs

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ATORN NC machine reamer set, 3.0-12.0 mm, H7, HSSE

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ATORN twist drill bit set STEP DRILL type N HSS TiN head 1-10.5 mm 0.5 and CHD

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Cs. + cs. deburring tool set 6 pcs 90° HSS dia. 6.3-20.5 mm in plastic box

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ATORN ret. ring pliers set, 8 pcs A1,A2,A11,A21,J1,J2,J11,J21 in roll-up pouch

98,56 €
ATORN A-View 3 safety glasses

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ATORN screwdriver set in workshop stand, 7 pieces

62,05 €
Spiralbohrer-Satz Sprint Master 25tlg. DIN 338 HSS Ø 1,0-13,0 mm in Kassette

59,90 €
Spray bottle refillable 227 ml max. operating pressure 8 bar 0.4 kg

56,80 €
Spiralbohrer-Satz Sprint Master 19tlg. DIN 338 HSS Ø 1,0-10,0 mm in Kassette

29,00 €
ATORN micrometer 0-25 mm, in case

53,00 €
ATORN hexagon screwdriver set, ball head set, 5 pieces, 3–8 mm

29,07 €
ATORN quick-change bit holder, 1/4 inch x 60 mm

16,37 €
ATORN reusable corded ear plugs

1,70 €
Profi-line intensive brake cleaner spray can 500 ml pack=15 cans

108,33 €
Taschenbandmaß 411 Vario EG I Bandbreite 13 mm Länge 3 m

30,54 €
Disposable safety knife SECUMAX 150

3,09 €
ATORN A-View 4 safety glasses

5,70 €
KNIPEX precision circlip pliers set, 8 pieces in box

174,96 €
Twist drill bit set HSS-E Co5 1-13 mm 0.5 mm incremental 25 pieces

310,78 €
Twist drill bit set HSS-E Co5 1-10 mm 0.5 mm incremental 19 pieces

170,56 €
ATORN countersink set, 90°, HSSE, unequal spiral pitch 6.3-25.0 mm

212,04 €
Wire-stripping pliers PreciStrip16 type 12 52 195

79,02 €
ATORN connector set, 3 pieces, square output

37,14 €
ATORN corundum abrasive fabric sheets (AO) G100 230 x 280 mm

0,95 €
ATORN twist drill bit set STEP DRILL type N HSS TiN head 1-13 mm 0.5 and CHD

223,86 €
ATORN analogue scriber 600 mm with fine adjustment

630,00 €
ATORN HSSE machine tap set M3-12 HSSE GL

142,40 €
ATORN bit box 32 pcs, slotted, PH, PZ, hexagon socket, TX, with holder a. handle

55,44 €
T-handle 411 A RA T-handle

58,22 €
ATORN centre drill set HSSE TiN form A, D=1-1.6-2-2.5-3.15-4-5

244,72 €
Ergonomic safety double lock knife SECUPRO 625

35,18 €
ATORN twist drill bit set STEP DRILL type N HSS TiN head 1-10 mm 0.5 in box

114,66 €
ATORN 6-piece measuring instrument set, wooden case, digital vernier callipers

280,86 €
Long hexagon ball head pin wrench set 9 pcs in clip AF 1.5/2/2.5/3/4/5/6/8/10

42,04 €
Kegelsenker-Satz 90° HSS-TiAlN Form C ungl. Teilung 3 Spannflächen Ø 6,3-25,0 mm

95,00 €
ATORN cross-peen hammer 1,000 g with 3-component handle

28,51 €
Pneumatic hose reel hose dia. 13 mm, hose length 15 m max. 20 bar

201,51 €
ATORN bit socket wrench set, 6 pieces, hexagon head

43,47 €
Industrial atomiser type R36.501 with 360° suction system

22,09 €
ATORN centre drill set HSS form A, D=1-1.6-2-2.5-3.15-4-5

81,88 €

ATORN stepped drill bit type N, HSSE medium quality grade M4 8.0 mm HA

ATORN stepped drill bit type N, HSSE medium quality grade M4 8.0 mm HA

Description

Technical data

More details

Versions

No workshop should be without it:

WERA torque screwdriver T 6 set to 0.6 Nm, fixed blade

ATORN A-Mech 3 assembly glove, size 9

Inspektionskamera VideoPocket HD

LOCTITE 243 threadlocker 50 g

Cs. + cs. deburring tool set 6 pcs 90° HSS-E dia. 6.3-20.5 mm in metal box

ATORN steel cutting disc 125x1 mm

ATORN PZ screwdriver set, 3 pcs, PZ 1-3, round blade

ATORN A-View 1 safety glasses

Kegelsenker-Satz 90° HSS-TiAlN Form C ungl. Teilung 3 Spannflächen Ø 6,3-20,5 mm

3D art. meas. stand with central clamping and micro fine adj., height 390 mm

Cs. + cs. deburring tool set 6 pcs 90° HSS/TiN 6.3-20.5 mm in plastic box

ATORN banded ear plugs, 32 dB

ATORN 1/4 inch hexagon socket with flexible blade

ATORN A-Mech 22 assembly glove, size 9

ATORN ear defenders, 37 dB

Digitales Drehmoment Testgerät, 5- 500 Nm 3/4 + 3/8 + 1/2 + 1/4 Zoll

TX® screwdriver set 9 pieces T10-50

ATORN vernier calipers IP67 electr. 150 mm depth gauge flat

Caramba high-performance PTFE 500 ml spray can

ATORN twist drill bit set N HSS TIN head DIN 338 1.0-10.0 mm in assortment case

ATORN VDE screwdriver set, 3 pcs, cross head PH 1-3

ATORN A-Shield 2 cut protection glove, size 9

ATORN ear plug dispenser

ATORN flat square, stainless 150 x 100 mm in line with DIN 875 precision 1

Protective vice jaw set 125 mm 8 pieces in bag

Prec. countersink set 5 pcs HSS-E Alunit d. 6.3/10.4/16.5/20.5/25.0 mm

Free-hand cutting disc, straight, universal line PSF STEELOX grit 60 125x1.0 mm

ATORN countersink set, 60°, HSS, extremely unequal pitch 6.3-20.5 mm 3-flat shnk

ATORN LED magnifying lamp, 5 dioptres, 2-stage segment switching, 2.25x

Pneumatic micro die grinder 9032 M air consumption 75 l/min length 132 mm

ATORN A-View 2 safety glasses

ATORN try square stainless 150 x 100 mm in line with DIN 875 precision 1

Adapter set 958/7

ATORN hexagonal Allen key set, 9 pieces, 1.5–10 mm, ball head, colourful

ATORN countersink set, 60°, HSS, extremely unequal pitch 6.3-20.5 mm

Prec. cntrsink drill set 5 pcs dia. 6.3/10.4/16.5/20.5/25.0 mm w/ 3 clamp surf.

Safety goggles MAX T7 lens clear

ATORN A-Mech 2 assembly glove, size 9

ATORN cutter blade with 18-mm snap-off blade, metal housing, with slide

ATORN disposable ear plugs, 400 pairs

ATORN twist drill bit set STEP DRILL type N HSS vaporised 1-10 mm 0.5 in box

ATORN A-Mech 1 assembly glove, size 9

ATORN twist drill bit set STEP DRILL type N HSSE purple 1-10 mm 0.5 in box

LOCTITE LB 8040 rapid rust remover 400 ml

Pneumatic metered blow gun 37 A 90 mm pipe POM Rc 1/4 grommet LW 6

Safety goggles MAX A1 lens clear

T-handle 416 RA T-handle Rapidaptor

ATORN twist drill bit set STEP DRILL type N HSS vaporised 1-10.5 mm 0.5 and CHD

Pneumatic special oil 100 ml silicone-free with locking cap

ATORN wooden folding rule, white 2 m EC class III, with angle scale

Set of flat hand engineer's files with handle, 5 pieces, L=200mm, German cut 2

Hexagon screwdriver set 8 pieces 2-10 mm

ErgoStrip universal stripping tool 0.2-4.0 mm length 135 mm right-handed

ATORN hexagon screwdriver set, 9 pieces, 1.5–10 mm, with ball head, long

Multiclean cleaning cloth roll 1000 pcs 34x37 cm 2 ply blue perforated absorbent

LOCTITE 270 threadlocker 50 g

ATORN twist drill bit set STEP DRILL type N HSSE purple 1-10.5 mm 0.5 and CHD

Octagonal pin punch set 6 pieces dia. 2-8 mm in stand

ATORN A-Shield 4 cut protection glove, size 9

ATORN twist drill bit set STEP DRILL type N HSS vaporised 1-13 mm 0.5 in box

ATORN countersink set, 90°, HSS, extremely unequal pitch 6.3-20.5mm, 3-flat shnk

Blade scraper Argentax with extra wide handle replaceable blades

Pliers set, 3 pcs comb. pliers, side cutters, high-tech water pump pliers

ATORN TX screwdriver set, 5 pcs, TX 10, 15, 20, 25, 30

ATORN countersink set, 90°, unequal spiral pitch 6.3-25.0 mm, 3-flat shank

Measuring cup set 3 pcs 0.5 l, 1.0 l, 2.0 l, transparent, coloured/raised scale

ATORN measuring and clamping vee blocks 80 mm w switch magnet, wooden case

Lamella flap disc LSZ-F Vision zirconia alumina grain 60 dia. 125 mm

HHW twist drill bit set DIN 338 HSS type N dia. 1-13.0 mm in box

ATORN A-Mech 4 assembly glove, size 9

ATORN twist drill bit set STEP DRILL type N HSS TiN head 1-13 mm 0.5 in box

ATORN twist drill bit set STEP DRILL type N HSSE purple 1-13 mm 0.5 in box

ATORN countersink set 90° HSS, extremely unequal pitch 6.3-20.5 mm