Teng Tools 1/4 in Hex Robertson Square Impact Bits 50 mm - ROB1, ROB2 or ROB3 Square Drive Bit, S2 Steel - Choose Your Size
Bits · ROBP5000101
1/4 in Hex Robertson Square Impact Bits 50 mm
ROB1, ROB2 or ROB3 Square Drive Bit, S2 Steel · Choose Your Size
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Why this one
Three Robertson sizes
Sold as a single bit in three sizes: ROB1, ROB2 and ROB3, so you buy only the size you need.
50 mm for extra reach
A 50 mm (1.9 in) long bit with a 1/4 in hex shank, for extra reach into a recess.
For square-hole screws
Designed for higher torsion and for ROB recessed heads on screws and fastenings with a square hole, in S2 steel.
Fits 1/4" hex holders
For use with 1/4" hex drive bit holders and accessories, so it fits the holders you already own.
Read the full description
Teng Tools Robertson square impact bits with 1/4 in hex shank, 50 mm (1.9 in) long, sold as a single bit, in three sizes: ROB1, ROB2 and ROB3. Choose your size above.
- Designed for higher torsion
- For use with 1/4" hex drive bit holders and accessories
- Designed for use with ROB recessed heads on screws and fastenings with a square hole
Specifications
| Type | Robertson (square) impact bit |
| Drive | 1/4 in hex |
| Length | 50 mm (1.9 in) |
| Pieces per pack | 1 |
| Material | S2 steel |
Sizes
| Size | Part number |
| ROB1 | ROBP5000101 |
| ROB2 | ROBP5000201 |
| ROB3 | ROBP5000301 |
Get it in a set
This bits also comes in these 2 sets, with the tools that go with it.
Specifications
| Type | Bits |
|---|---|
| Category | Bits |
| Drive size | 1/4" |
| Part number | ROBP5000101 |
Data sheet
Full details from Teng Tools. Download PDF
Lifetime warranty
Send a photo and your order number. Same-day shipping on replacements.
Ships from Texas
From our Fort Worth warehouse.
Questions?
Call (817) 767-3392.
Shipping
Free shipping on orders over $99. Orders are stocked, picked and shipped from our warehouse in Fort Worth, Texas — orders placed on business days ship same-day wherever possible.
Lifetime warranty
Teng Tools hand tools are backed by a lifetime warranty against manufacturing defects. Screwdriver bits and socket bits are consumables and are guaranteed to meet dimensional standards. Torque wrenches and air tools can be serviced and recalibrated on request — contact us to arrange it.
Returns
Not right for the job? Contact us within 30 days of delivery and we'll sort out a return or exchange. Tools must be unused and in their original packaging. Warranty claims are handled separately — a defective tool is our problem, not yours.
Why Teng Tools?
Swedish Design Since 1985
Trusted in 30+ countries. Designed in Sweden, built to ISO and DIN standards.
Shipped Fast from Texas
US warehouse in Fort Worth, so orders move fast. TAA approved for government and defense.
Lifetime Warranty
Something goes wrong? Send a photo and your order number — same-day shipping on replacements.
The Devil Is in the Detail
Satin-finish wrenches, through-blade screwdrivers, heavy-gauge storage — built to last.