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HSS DIN 338 2.75 mm metal drill bit

Producer: Artykuły Techniczne

reference: 4658

€0.23 tax inc.

Net price: €0.18

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In stock > 10 pcs.

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Description

Technical data of metal drill fi 2,75

Technical data
Working diameter of drill d	fi 2,75 mm
Overall length l1	61 mm
Length of working part l2	33 mm

Drill bit made according to DIN-338
Possible drilling to a hardness of 35 HRC
Blade angle of 118 degrees suitable for drilling in steel, cast steel
Made of the best grade of high speed steel HSS ( High speed steel )
Makes a hole in h8 tolerance
Low roughness of the hole

Wiertło do metalu - kąt ostrza 118 stopni

Cutting parameters of drill fi 2,75 mm HSS NWKa

ISO symbol	Material	Cutting speed Vc [m/min]	Feed per revolution f [mm]	Revolutions n [obr/min]	Total feed rate [mm/min]
P	Steel	14-25	0,05	1621	81
K	Cast iron	10-18	0,05	1158	58

May be useful

Calculator of cutting parameters

Drill fi 2.75 with cylindrical shank.

Drill 2.75 mm HSS. High-quality cylindrical, twist drill bit manufactured according to the dimensional standard NWKa, DIN 338.Przeznaczone for drilling through-holes and blind holes with a cross section of 2.75 mm. It is suitable for machining of materials falling into categories P1.2 - P1.3 (unalloyed steels, metals, non-ferrous metals, metal alloys and plastics). The NWKa drill bits we offer have 2 central blades and special chip grooves for efficient chip removal up the drilled hole. Drill the 2.75mm also has strong cutting edges that are insensitive to hard impacts and lateral forces. In addition, the drills are resistant to mechanical damage such as breaking, cracking, chipping and even rapid dulling. These advantages contribute to extended service life. The drills are recommended for conventional drilling machines, lathes and milling machines, as well as computer numerical control machine tools - CNC.

Countersink fi 6.3 mm 90 degree HSS cone countersink - nr. 1

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Courier GLS	Przelew24 / Prepayment	14,76 zł gross	Delivery time 1 working day
Courier GLS	Cash on delivery	17,26 zł gross	Lead time 1 working day

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HSS DIN 338 2.75 mm metal drill bit

Technical data of metal drill fi 2,75