WALTER Screw Machine Drill Bit: Letter I, 130° Point, Cobalt, Parabolic Flute
The WALTER Screw Machine Drill Bit: Letter I 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 0.2720 inches and is identified…
SKU 3G-OTH-307192
Also listed as: A1148LETI · A1148 LET I · A1148-LET-I
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.
Need installation or engineering help?
Ask a question
Product Description
The WALTER Screw Machine Drill Bit: Letter I 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 0.2720 inches and is identified by manufacturer part number A1148-LET.I.
Frequently Asked Questions
What is the WALTER Screw Machine Drill Bit Letter I used for?
This WALTER cobalt drill bit with a 130° point, parabolic flute, and fast spiral is designed for chip-clearing in screw-machine applications. It efficiently drills precise holes in tough materials like stainless steel and high-temperature alloys, common in aerospace, automotive, and general metalworking.
What are the specifications of the WALTER A1148-LET.I drill bit?
The WALTER A1148-LET.I is a screw-machine length drill bit with a Letter I diameter of 0.2720 inches. It features a 130° point, parabolic flute, and fast spiral geometry, made from cobalt steel for heat resistance and extended tool life in demanding industrial drilling operations.
Where to buy WALTER drill bits worldwide?
3G Electric supplies WALTER drill bits like the A1148-LET.I to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact our team for a quote and lead time on this cobalt screw-machine length drill bit.
How to select the right WALTER screw-machine drill bit?
Select based on material and hole depth. For tough alloys, choose cobalt with a 130° point and parabolic flute, like the WALTER A1148-LET.I, to improve chip evacuation. Match the diameter (0.2720 inches for Letter I) to your required hole size and ensure machine spindle speed and feed rates are compatible.
Used in
Common applications for WALTERWALTER 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.
