---
product_id: 264334950
title: "Dormer A977 HSS-E High Speed Cobalt PFX Extra Long Series Drill Bit with 130 Degree Point, Diameter 4.0 mm, Single Pack"
brand: "dormer"
price: "B/.104"
currency: PAB
in_stock: true
url: https://www.desertcart.com.pa/products/264334950-dormer-a977-hss-e-high-speed-cobalt-pfx-extra-long
store_origin: PA
region: Panama
---

# 4.0 mm Diameter 130° Point Angle Extra Long Length Dormer A977 HSS-E High Speed Cobalt PFX Extra Long Series Drill Bit with 130 Degree Point, Diameter 4.0 mm, Single Pack

**Brand:** dormer
**Price:** B/.104
**Availability:** ✅ In Stock

## Summary

> 🔧 Drill Deep, Drill Smart!

## Quick Answers

- **What is this?** Dormer A977 HSS-E High Speed Cobalt PFX Extra Long Series Drill Bit with 130 Degree Point, Diameter 4.0 mm, Single Pack by dormer
- **How much does it cost?** B/.104 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/264334950-dormer-a977-hss-e-high-speed-cobalt-pfx-extra-long)

## Best For

- dormer enthusiasts

## Why This Product

- Trusted dormer brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Bright Finish:** Prevents material from sticking, ensuring a smooth drilling experience.
- • **Extended Reach:** Extra long series designed for applications requiring increased depth.
- • **Effortless Drilling:** Parabolic flute design allows for deep drilling in a single pass.
- • **Precision Engineering:** 130-degree point for self-centering and reduced push force.
- • **Versatile Material Compatibility:** Crafted from premium HSS-E, perfect for steel, aluminum, and stainless steel.

## Overview

The Dormer A977 HSS-E High Speed Cobalt PFX Extra Long Series Drill Bit is engineered for precision and efficiency, featuring a 130-degree point for self-centering, a parabolic flute design for deep drilling, and compatibility with a variety of materials. Its extra-long length makes it ideal for applications requiring extended reach, ensuring you can tackle any project with confidence.

## Description

A977 extra long series PFX drill comes in metric diameters from 1. 50 mm to 14. 00 mm. The PFX series of drills have a specially designed parabolic flutes which eliminates the need to drill deep holes in short steps (pecking), so even extra deep holes can be drilled in a single pass. The drills have a bright finish which helps stop work piece material from sticking to the cutting edge. Made from premium High Speed Cobalt, the drills can be used to drill a number of materials including steels, stainless steel and aluminium. The A977 has a 130 degree point which helps with self-centring and also means less force is needed to drill the hole. The A977 drills are recommended for drilling very deep holes and in applications where extra reach is needed.

## Features

- 130 degree point - Help with self-centring and reduce the push force required
- Bright finish - Prevent work piece material from sticking to the cutting edge
- Special Flute Design - Parabolic flute design enables drilling extra deep holes in one single pass
- Premium HSS - E material - Can be used for drilling many materials including steels, aluminium, stainless steel
- Extra Long length series - Recommended for drilling very deep holes/applications where increased reach is required

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Dormer Pramet |
| Part number | A9774.0X220 |
| Item Weight | 0.28 g |
| Item model number | 0148723 |
| Size | 4.00 mm |
| Colour | Bright Finish |
| Finish | Uncoated |
| Material | High Speed Cobalt (HSS-E) |
| Shape | Round |
| Item Package Quantity | 1 |
| Cutting Diameter | 0.16 Inches |
| Tool tip description | PFX |
| Measurement System | Metric |
| Special Features | High Performance Drill |
| Included components | 1 x metalworking & multi-purpose drill bits |
| Batteries Required? | No |
| Item diameter | 0.16 Inches |

## Product Details

- **Material:** High Speed Cobalt (HSS-E)
- **Cutting diameter:** 4 Millimetres
- **Finish type:** Uncoated
- **Shank type:** Straight
- **Cutting angle string:** 130 Degrees

## Images

![Dormer A977 HSS-E High Speed Cobalt PFX Extra Long Series Drill Bit with 130 Degree Point, Diameter 4.0 mm, Single Pack - Image 1](https://m.media-amazon.com/images/I/61+EuOX2GjL.jpg)
![Dormer A977 HSS-E High Speed Cobalt PFX Extra Long Series Drill Bit with 130 Degree Point, Diameter 4.0 mm, Single Pack - Image 2](https://m.media-amazon.com/images/I/61-WZ5L1r8L.jpg)
![Dormer A977 HSS-E High Speed Cobalt PFX Extra Long Series Drill Bit with 130 Degree Point, Diameter 4.0 mm, Single Pack - Image 3](https://m.media-amazon.com/images/I/71N03Ot+XeL.jpg)
![Dormer A977 HSS-E High Speed Cobalt PFX Extra Long Series Drill Bit with 130 Degree Point, Diameter 4.0 mm, Single Pack - Image 4](https://m.media-amazon.com/images/I/21mScMc8R0L.jpg)

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*Product available on Desertcart Panama*
*Store origin: PA*
*Last updated: 2026-03-08*