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WALTER A1148-NO1 #1 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-NO1 #1 Chip-Clearing Cobalt Screw-Machine Length Drill Bit

The WALTER Screw Machine Drill Bit: #1 is a chip-clearing cobalt screw-machine length drill bit with a 130° point, parabolic flute, and fast spiral design. It has a diameter of 0.2280 inches and is identified by…

SKU 3G-OTH-307310

Also listed as: A1148NO1 · A1148 NO1

Brand
WALTER
Item
A1148-NO1 #1 Chip-Clearing Cobalt Screw-Machine Length Drill Bit
Part Number
A1148-NO1
Category
Chip-Clearing Cobalt Screw-Machine Length Drill Bits
Available to Order
Also known as:A1148-NO1WALTER
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

WALTER
Manufacturer Part Number
A1148-NO1
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: #1 is a chip-clearing cobalt screw-machine length drill bit with a 130° point, parabolic flute, and fast spiral design. It has a diameter of 0.2280 inches and is identified by manufacturer part number A1148-NO1.

Frequently Asked Questions

What is the WALTER Screw Machine Drill Bit #1 used for?

The WALTER #1 screw-machine drill bit is designed for chip-clearing in high-speed production drilling. Its cobalt construction, 130° point, and parabolic fast-spiral flute efficiently evacuate chips in deep-hole applications on metals, making it ideal for automated machining centers.

What are the specifications of the WALTER A1148-NO1 drill bit?

The WALTER A1148-NO1 is a #1 screw-machine length drill bit with a 0.2280-inch diameter, 130° point angle, and cobalt construction. It features a parabolic flute and fast spiral design for superior chip evacuation in demanding metal-drilling operations.

Where to buy WALTER drill bits worldwide?

3G Electric supplies the WALTER A1148-NO1 screw-machine drill bit to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this cobalt parabolic-flute bit.

How to select the right screw-machine drill bit for metal?

For production drilling in metals, choose a cobalt bit like the WALTER #1 with a 130° point for reduced thrust and a parabolic flute for chip evacuation. Match the diameter (0.2280 inches) to your hole size and ensure the screw-machine length fits your toolholder.

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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Cobalt screw-machine length drill bit with parabolic flute and fast spiral design for efficient chip evacuation. 130° point angle. Suitable for use in automated screw machines and CNC lathes for drilling precise holes in metal
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Cobalt screw-machine length drill bit with parabolic flute and fast spiral design for efficient chip evacuation. 130° point angle. Suitable for high-speed drilling in tough materials where heat resistance and chip clearing are required
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