Can I use Miranda stub drills on a conventional drilling machine?

Yes, but carbide drills perform best on rigid CNC machines. On a conventional radial drill or pillar drill, make sure the spindle has minimal play, use proper clamping, and reduce cutting speed by 20-30% from CNC parameters. The stub drill's shorter length actually makes it a better choice than a jobber on less rigid machines because it deflects less.

What is the difference between DIN 1897 and DIN 338 drills?

DIN 338 (jobber) drills have a 4xD depth capability and standard overall length, the general-purpose choice. DIN 1897 (stub) drills have a 2.5xD depth capability and are 30-40% shorter. The shorter length gives stub drills more rigidity, better accuracy, and longer tool life for shallow holes. Pick DIN 338 when you need depth; pick DIN 1897 when you need accuracy.

Miranda (Dormer Pramet)

Miranda Solid Carbide Stub Drills: DIN 1897, AlTiN Coated, 1mm to 20mm

Name: Miranda Solid Carbide Stub Drills: DIN 1897, AlTiN Coated, 1mm to 20mm
Brand: Miranda (Dormer Pramet)

Shorter drill, straighter hole: Miranda DIN 1897 stub drills are 30-40% shorter than jobber drills, and that extra rigidity shows up as IT7-IT8 hole tolerances against IT9-IT10, with far fewer snapped drills below 3mm diameter. The rule is simple: hole shallower than 2.5xD, pick the stub. Sizes run 1.00mm to 20.00mm in 0.10mm increments with the same 140° self-centering point and AlTiN coating as the jobber series, on micro-grain carbide with h6 shanks. Thin plate, sheet metal, multi-spindle heads, and hardened material to HRC 45 are their home ground, and on a less rigid pillar drill the shorter length actually helps. Production shops across Noida-NCR stock both series side by side. Stocked at Sector 9, Noida; WhatsApp for price.

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Diameter Range: 1.00mm to 20.00mm (0.10mm increments)Depth Capability: 2.5xD (2.5 times diameter)Point Angle: 140°Coating: AlTiN (Aluminium Titanium Nitride)

Key Features

DIN 1897 standard, shorter overall length for maximum rigidity

2.5xD depth capability, optimized for shallow and medium-depth holes

140° self-centering point angle, no pilot hole needed on flat surfaces

AlTiN coating for high-temperature performance and extended tool life

30-40% shorter than equivalent jobber drills for reduced deflection

Ideal for thin plate drilling where breakthrough chatter is a concern

Micro-grain carbide substrate with h6 shank tolerance

Diameter range 1.00mm to 20.00mm in 0.10mm increments

Technical Specifications

Diameter Range	1.00mm to 20.00mm (0.10mm increments)
Depth Capability	2.5xD (2.5 times diameter)
Point Angle	140°
Coating	AlTiN (Aluminium Titanium Nitride)
Standard	DIN 1897
Flutes	2
Shank Tolerance	h6
Substrate	Micro-grain tungsten carbide

Applications

The Solid Carbide Stub Drills is used across a wide range of industrial applications:

Shallow hole drilling where maximum accuracy is needed
Thin plate and sheet metal drilling in production environments
Spot facing and shallow counterbore preparation
Multi-spindle drilling heads where stub length is required
High-rigidity drilling in hardened materials up to HRC 45
CNC production drilling with tight positional tolerances
Transfer line drilling applications

Industries Served

Automotive manufacturingSheet metal fabricationElectronics and PCB manufacturingGeneral engineeringAerospaceDefence production

Need Solid Carbide Stub Drills? Get the Best Dealer Price

As your Miranda (Dormer Pramet) dealer, Shri Narayan Machinery LLP offers competitive pricing on the full Solid Carbide Stub Drills range. Call us for availability and your best quote.

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C-101, Sector 9, Noida, Uttar Pradesh 201301 | Miranda (Dormer Pramet) Dealer

Frequently Asked Questions: Solid Carbide Stub Drills

Use a stub drill whenever your hole depth is less than 2.5 times the drill diameter. The shorter flute length gives you 30-40% more rigidity, which means tighter hole tolerances (IT7-IT8 vs IT9-IT10 for jobber drills), better surface finish, and far less risk of drill breakage, especially in smaller diameters below 3mm where jobber drills snap easily.

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