We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
WALTER A1148-LET.Z 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.Z Chip-Clearing Cobalt Screw-Machine Length Drill Bit

The WALTER Screw Machine Drill Bit: Letter Z 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 0.4130 inches and is identified…

SKU 3G-OTH-307226

Also listed as: A1148LETZ · A1148 LET Z · A1148-LET-Z

Brand
WALTER
Item
A1148-LET.Z Chip-Clearing Cobalt Screw-Machine Length Drill Bit
Part Number
A1148-LET.Z
Category
Chip-Clearing Cobalt Screw-Machine Length Drill Bits
Available to Order
Also known as:A1148-LET.ZWALTER
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

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

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The WALTER Screw Machine Drill Bit: Letter Z 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 0.4130 inches and is identified by manufacturer part number A1148-LET.Z.

Frequently Asked Questions

What is the WALTER A1148-LET.Z screw machine drill bit used for?

The WALTER A1148-LET.Z is a cobalt screw-machine length drill bit designed for chip-clearing in high-speed production drilling. Its 130° point, parabolic flute, and fast spiral geometry efficiently evacuate chips in deep-hole applications on ferrous and non-ferrous materials.

What are the specifications of the WALTER Letter Z drill bit?

The WALTER Letter Z drill bit has a diameter of 0.4130 inches, a 130° point angle, and a cobalt parabolic flute with fast spiral design. It is a screw-machine length bit, part number A1148-LET.Z, engineered for chip-clearing in demanding industrial drilling operations.

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

3G Electric supplies the WALTER A1148-LET.Z cobalt 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 precision tool.

How to select the correct WALTER screw machine drill bit size?

Select the WALTER screw machine drill bit by matching the required hole diameter to the bit's letter or decimal size. For the A1148-LET.Z, the Letter Z corresponds to 0.4130 inches. Ensure the 130° point and parabolic flute suit your material and chip-clearing needs for optimal performance.

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.
Not sure this is the right part? Photo-identify it→

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from WALTER

View all WALTER parts →
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
WALTER
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
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
WALTER
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
Cobalt screw-machine length drill bit with parabolic flute and fast spiral design. Features a 130° point angle and 0.0730 inch diameter. Suitable for chip-clearing operations in automated screw machines and general drilling applications
WALTER
Cobalt screw-machine length drill bit with parabolic flute and fast spiral design. Features a 130° point angle and 0.0730 inch diameter. Suitable for chip-clearing operations in automated screw machines and general drilling applications

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first