---
product_id: 557808901
title: "Prolinemax 21 Pc HSS Interchangeable Pilot Counterbore Set Straight Shank"
brand: "prolinemax"
price: "10396491₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/557808901-prolinemax-21-pc-hss-interchangeable-pilot-counterbore-set-straight-shank
store_origin: VN
region: Vietnam
---

# 14 pilot sizes from 0.187'' to 7/16'' 21-piece precision set High Speed Steel (HSS) durability Prolinemax 21 Pc HSS Interchangeable Pilot Counterbore Set Straight Shank

**Brand:** prolinemax
**Price:** 10396491₫
**Availability:** ✅ In Stock

## Summary

> 🛠️ Master every bore with precision and style — don’t get left behind!

## Quick Answers

- **What is this?** Prolinemax 21 Pc HSS Interchangeable Pilot Counterbore Set Straight Shank by prolinemax
- **How much does it cost?** 10396491₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/557808901-prolinemax-21-pc-hss-interchangeable-pilot-counterbore-set-straight-shank)

## Best For

- prolinemax enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted from premium High Speed Steel for superior wear resistance and long-term reliability.
- • **Compact & Organized:** Includes a sturdy case (9'' x 7'' x 2.25'') to keep your tools protected and ready to go—no more lost bits.
- • **Effortless Versatility:** Straight shank design and 3/8'' holder ensure seamless compatibility with most drill presses and machines.
- • **Lightweight Powerhouse:** Weighing just 2 lbs, this set delivers professional-grade performance without the bulk.
- • **Complete Precision Range:** 14 interchangeable pilots and 6 counterbores cover every job size with unmatched accuracy.

## Overview

The Prolinemax 21 Pc HSS Interchangeable Pilot Counterbore Set offers a comprehensive range of 14 pilot sizes and 6 counterbores, all crafted from durable High Speed Steel. Designed with a straight shank and a 3/8'' holder, this lightweight 2 lb set comes neatly organized in a compact case, making it the ultimate precision tool kit for professionals seeking reliability and versatility.

## Description

21 Pc HSS Interchangeable Pilot Counterbore Set14 Piolts With A 5/32'' Shank: 0.187'', 0.204'', 0.213'', 0.229'', 1/4'', 17/64'', 9/32'', 5/16'', 21/64'', 11/32'', 3/8'', 25/64'', 13/32'', And 7/16''6 counterbores: 5/16'', 3/8'', 7/16'', 1/2'', 9/16'', And 5/8''1 Holder 3/8" ShankStraight ShankShipping Weight: 2 Lbs *Estimate Only*Case IncludedCase May VaryCase Overall Dimension: 9''L x 7''W x 2-1/4''H *Estimate Only*Quantity: 1

## Features

- 14 Piolts With A 5/32'' Shank: 0.187'', 0.204'', 0.213'', 0.229'', 1/4'', 17/64'', 9/32'', 5/16'', 21/64'', 11/32'', 3/8'', 25/64'', 13/32'', And 7/16''
- 6 counterbores: 5/16'', 3/8'', 7/16'', 1/2'', 9/16'', And 5/8''
- 1 Holder 3/8" Shank
- Straight Shank
- Case Included; Case May Vary

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | PROLINEMAX |
| Part number | 10107 |
| Item Weight | 907 g |
| Item Weight | 907.18 g |
| Item model number | 727969227926 |
| Material | High Speed Steel (HSS) |
| Number Of Pieces | 21 |
| Measurement System | Imperial |
| Batteries Required? | No |

## Product Details

- **Material:** High Speed Steel (HSS)
- **Shank type:** Straight
- **Brand:** Prolinemax
- **Tool flute type:** Straight
- **Point style:** Pilot Point

## Images

![Prolinemax 21 Pc HSS Interchangeable Pilot Counterbore Set Straight Shank - Image 1](https://m.media-amazon.com/images/I/61zvTjBUdkL.jpg)
![Prolinemax 21 Pc HSS Interchangeable Pilot Counterbore Set Straight Shank - Image 2](https://m.media-amazon.com/images/I/61BYPYIO2IL.jpg)
![Prolinemax 21 Pc HSS Interchangeable Pilot Counterbore Set Straight Shank - Image 3](https://m.media-amazon.com/images/I/71OcUWS8JgL.jpg)
![Prolinemax 21 Pc HSS Interchangeable Pilot Counterbore Set Straight Shank - Image 4](https://m.media-amazon.com/images/I/413+Eru3GTL.jpg)
![Prolinemax 21 Pc HSS Interchangeable Pilot Counterbore Set Straight Shank - Image 5](https://m.media-amazon.com/images/I/519FSqmBe2L.jpg)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-08*