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WALTER A1148-5.5 Chip-Clearing Cobalt Screw-Machine Length Drill Bit - Chip-Clearing Cobalt Screw-Machine Length Drill Bits
WALTERChip-Clearing Cobalt Screw-Machine Length Drill Bits

WALTER A1148-5.5 Chip-Clearing Cobalt Screw-Machine Length Drill Bit

The WALTER Screw Machine Drill Bit (MPN A1148-5.5) is a 5.5 mm chip-clearing cobalt screw-machine length drill bit with a 130° point, parabolic flute, and fast spiral design. It is manufactured by WALTER and has a…

SKU 3G-OTH-307179

Also listed as: A114855 · A1148 5 5 · A1148-5-5

Brand
WALTER
Item
A1148-5.5 Chip-Clearing Cobalt Screw-Machine Length Drill Bit
Part Number
A1148-5.5
Category
Chip-Clearing Cobalt Screw-Machine Length Drill Bits
Available to Order
Also known as:A1148-5.5WALTER
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Technical Specifications

WALTER
Manufacturer Part Number
A1148-5.5
Type
Cobalt, Parabolic Flute, Fast Spiral
Point
130°

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WALTER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WALTER Screw Machine Drill Bit (MPN A1148-5.5) is a 5.5 mm chip-clearing cobalt screw-machine length drill bit with a 130° point, parabolic flute, and fast spiral design. It is manufactured by WALTER and has a diameter of 0.2165 inches.

Frequently Asked Questions

What is the WALTER A1148-5.5 screw machine drill bit used for?

The WALTER A1148-5.5 is a 5.5 mm cobalt screw-machine length drill bit designed for chip-clearing in high-speed production drilling. Its 130° point and parabolic fast-spiral flute excel in deep-hole applications on steel, stainless steel, and other ferrous materials where rigidity and chip evacuation are critical.

What are the specifications of the WALTER A1148-5.5 drill bit?

The WALTER A1148-5.5 (MPN A1148-5.5) is a 5.5 mm diameter cobalt screw-machine length drill bit with a 130° point angle, parabolic flute, and fast spiral design. It has a decimal equivalent of 0.2165 inches and is built for chip-clearing in rigid setups.

Where to buy the WALTER A1148-5.5 drill bit worldwide?

3G Electric supplies the WALTER A1148-5.5 cobalt screw-machine drill bit worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this precision tool.

How to select the correct WALTER screw machine drill bit for my application?

Select the WALTER A1148-5.5 for drilling ferrous metals requiring a rigid, short-length bit with efficient chip evacuation. The 5.5 mm diameter and 130° point suit general-purpose holemaking in steel. For softer materials or deeper holes, consult WALTER's technical data to match flute geometry and coating to your workpiece.

Used in

Common applications for WALTER
Automotive engine component machining — WALTER indexable face mills (e.g., F2010.B.250.Z12.13.R722M) for face milling cylinder heads and blocks.
Aerospace structural parts manufacturing — WALTER screw-machine length drill bits (e.g., A1148-4.5) for drilling holes in aluminum and titanium components.
General machining job shops — WALTER indexable face mills (e.g., F4042R.B16.040.Z05.10) for face milling steel and stainless steel workpieces.
Heavy equipment repair — WALTER indexable face mills (e.g., 127 mm diameter with 11 inserts) for resurfacing large cast iron and steel parts.
Energy sector valve and pump manufacturing — WALTER indexable face mills (e.g., 100 mm diameter with R720M geometry) for machining sealing surfaces.
CNC lathe operations — WALTER screw-machine length drill bits (e.g., A1148-4.5) for drilling in automated turning centers with bar feeders.
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WALTER Products

3G Electric supplies WALTER chip-clearing cobalt screw-machine length drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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This cobalt screw-machine length drill bit features a parabolic flute and fast spiral design for efficient chip clearing in metalworking. The 130° point and 9/16" diameter make it suitable for use in automated screw machines and CNC lathes where precise hole drilling and chip evacuation are required
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