---
product_id: 611277048
title: "Screwdriver Insert Bits for Torq-Set Screws - 4 Wing, S2 Steel Hi-Torque, Impact Ready - Aviation Standard, Airplane Maintenance, Power Tools"
brand: "mars-tool"
price: "€ 0.89"
currency: EUR
in_stock: false
url: https://www.desertcart.es/products/611277048-screwdriver-insert-bits-for-torq-set-screws-4-wing-s2
store_origin: ES
region: Spain
---

# 1.25-inch Precision Length 7/16-inch Hex Shank Grip S2 Steel Hi-Torque Strength Screwdriver Insert Bits for Torq-Set Screws - 4 Wing, S2 Steel Hi-Torque, Impact Ready - Aviation Standard, Airplane Maintenance, Power Tools

**Brand:** mars-tool
**Price:** € 0.89
**Availability:** ❌ Out of Stock

## Summary

> 🔧 Elevate your torque game — precision meets power in every twist!

## Quick Answers

- **What is this?** Screwdriver Insert Bits for Torq-Set Screws - 4 Wing, S2 Steel Hi-Torque, Impact Ready - Aviation Standard, Airplane Maintenance, Power Tools by mars-tool
- **How much does it cost?** € 0.89 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/611277048-screwdriver-insert-bits-for-torq-set-screws-4-wing-s2)

## Best For

- mars-tool enthusiasts

## Why This Product

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

## Key Features

- • **Value-Packed Set:** Five insert bits per pack keep you stocked and ready for any demanding project or emergency fix.
- • **Compact Yet Powerful:** 1-1/4 inch length strikes the perfect balance between reach and control in tight, high-stress environments.
- • **Engineered for Precision:** Cold forged S2 steel ensures unmatched durability and exact fit for Torq-Set screws.
- • **Impact-Ready Performance:** Built to withstand high torque and impact driver use, ideal for aviation and professional maintenance.
- • **Slip-Resistant Hex Shank:** Robust 7/16-inch hex shank delivers superior grip, minimizing slippage on all standard power tools.

## Overview

The MARS-TOOL Screwdriver Insert Bits are precision-engineered with cold forged S2 steel for high-torque, impact-ready performance. Featuring a 5/16 point size and a 7/16-inch hex shank, these 1.25-inch bits offer superior grip and durability, making them essential for aviation, airplane maintenance, and professional power tool applications. Each pack includes five bits, delivering exceptional value and reliability for demanding tasks.

## Description

Industry Number: 170-5/16 Overall Length: 1-1/4 Inches (32mm) Shank Size: Hex 7/16 Inches Point Size: 5/16 Material: Cold forged S2 Steel Pieces Per Package: 5

## Features

- Industry Number: 170-5/16 Overall Length: 1-1/4 Inches (32mm) Shank Size: Hex 7/16 Inches Point Size: 5/16 Material: Cold forged S2 Steel Pieces Per Package: 5
- ⦿【Precise and Durable Construction】 Our 170-5/16 Insert Bits are compatible with Torq-Set Screwdrivers and engineered with high-quality materials, offering excellent resistance to wear and tear. The 5/16 point size ensures precise fit and optimal torque, essential for professional tasks
- ⦿【Optimal Length for Work Flexibility】 With an overall length of 1-1/4 inches (32mm), our screwdriver bits provide the perfect balance of reach and control. Navigate tight spots with ease and deliver high-torque performance even in challenging scenarios
- ⦿【Versatile Hex Shank】 Designed with a robust 7/16-inch hex shank, these insert bits provide superior grip and minimize slippage in all standard power tools. Ideal for a wide range of applications including construction, airplane maintenance, automotive work, and DIY projects
- ⦿【Ideal for Hi-Torque and Impact Applications】 These power bits are perfect for applications requiring high torque or use with impact drivers. Their cross screw design is particularly useful for high-stress fastening, ensuring your work is secure and long-lasting. ⦿【Multi-Piece Pack for Greater Value】 Each package includes 5 Screwdriver Insert Bits for Torq Set, giving you more value for your money.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B087ZX6NKL |
| ASIN  | B087ZX6NKL |
| Brand Name | Mars-Tool |
| Date First Available  | 16 June 2023 |
| Item model number  | 170-5/16 |
| Manufacturer | Mars-Tool |
| Manufacturer  | Mars-Tool |
| Model Number | 170-5/16 |
| Number of Pieces | 5 |
| Package Dimensions  | 7.29 x 6.1 x 1.19 cm; 100 g |
| UPC | 032733916051 |
| Unit Count | 5.0 Count |

## Product Details

- **Brand:** Mars-Tool
- **Manufacturer:** Mars-Tool
- **Number of pieces:** 5
- **UPC:** 032733916051
- **Unit count:** 5.0 Count

## Images

![Screwdriver Insert Bits for Torq-Set Screws - 4 Wing, S2 Steel Hi-Torque, Impact Ready - Aviation Standard, Airplane Maintenance, Power Tools - Image 1](https://m.media-amazon.com/images/I/71NF9MiX7FL.jpg)
![Screwdriver Insert Bits for Torq-Set Screws - 4 Wing, S2 Steel Hi-Torque, Impact Ready - Aviation Standard, Airplane Maintenance, Power Tools - Image 2](https://m.media-amazon.com/images/I/61tNON5fPtL.jpg)
![Screwdriver Insert Bits for Torq-Set Screws - 4 Wing, S2 Steel Hi-Torque, Impact Ready - Aviation Standard, Airplane Maintenance, Power Tools - Image 3](https://m.media-amazon.com/images/I/61jHHIIm3QL.jpg)

## Frequently Bought Together

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-05-23*