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WALTER A1148-LET.Y 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-LET.Y Chip-Clearing Cobalt Screw-Machine Length Drill Bit

The WALTER Screw Machine Drill Bit: Letter Y is a chip-clearing cobalt screw-machine length drill bit from WALTER. It features a 130° point, parabolic flute, and fast spiral design, with a diameter of 0.4040 inches…

SKU 3G-OTH-307265

Also listed as: A1148LETY · A1148 LET Y · A1148-LET-Y

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

WALTER
Manufacturer Part Number
A1148-LET.Y
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: Letter Y is a chip-clearing cobalt screw-machine length drill bit from WALTER. It features a 130° point, parabolic flute, and fast spiral design, with a diameter of 0.4040 inches (MPN A1148-LET.Y).

Frequently Asked Questions

What is the WALTER Screw Machine Drill Bit Letter Y used for?

The WALTER A1148-LET.Y cobalt screw-machine drill bit is designed for chip-clearing in high-speed production drilling. Its parabolic flute and fast spiral efficiently evacuate chips in deep-hole applications on materials like stainless steel and high-temperature alloys.

What are the specifications of the WALTER A1148-LET.Y drill bit?

This WALTER drill bit has a Letter Y diameter of 0.4040 inches, a 130° point angle, and is made from cobalt with a parabolic flute and fast spiral design. It is a screw-machine length bit, ideal for rigid setups requiring precise hole depths.

Where to buy WALTER A1148-LET.Y drill bits worldwide?

3G Electric supplies the WALTER A1148-LET.Y cobalt screw-machine drill bit to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this genuine WALTER tool to your facility, regardless of location.

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

Select based on material and hole depth. The WALTER A1148-LET.Y with parabolic flute and fast spiral is best for deep-hole drilling in tough materials. Match the Letter Y diameter (0.4040 inches) to your required hole size and ensure your machine provides rigid support for screw-machine length bits.

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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