
LUM22 SR12-300 | Inline Pneumatic Screwdriver, 3.5 - 12.5 Nm, 300 rpm, reversible
The LUM series is the workhorse of Atlas Copco's pneumatic screwdrivers. Designed to be comfortable to work with all day and to be durable in a tough production environment, they combine the best engineering, continuously refined and improved, to bring you superior ergonomics, durability and productivity.
A specialist replies within one business day.
Warning:California Proposition 65Trade Regulations Advisory Notice
Non-ReturnableSpare Parts, Specialty and Custom items are non-returnable and non-refundable.

Recommended Accessories
2 itemsAdd-on accessories that can be purchased alongside this product.
| Product | Price | Qty | |
|---|---|---|---|
BLD1BLD1 | Light-Duty Balancer 0.9 - 2.2 lbs$76.08 | $76.08 | 1 | View details |
| $150.00 | 1 | View details |
Details
Product information
Overview
Atlas Copco 8431 0269 50
Lum22 Sr12-300, Inline Pnuematic Screwdriver W/ Lever Start, 31-110.6 In Lb
Atlas Copco pneumatic LUM screwdrivers have a fast and accurate shut-off clutch for smooth performance and high quality tightening. They are suitable for joints with demands on torque accuracy, providing accurate tightening time-after-time, independent of variations in joint stiffness.
Features:
- Superior ergonomics
- Small tool for low weight
- Fast shut-off clutch gives lower reaction torque
- Compact size for accessibility in cramped spaces
- Reversible
- Quick change chuck
- Lubrication-free
- Straight screwdrivers should be used with a torque arm for best ergonomics
| Technical Specifications | |
|---|---|
| airinletthread | 1/4 in |
| csdistance | 22 mm |
| length | 252 mm |
| outputsize | 1/4' |
| recommendedhosesize | 8 mm |
| weight | 2.2 lb |
| modeltype | Straight |
| outputtype | Hexagon, Female |
| shutoff | Shut-off |
| starttrigger | Trigger lever |
| torquerangemax | 12.5 Nm |
| torquerangemin | 3.5 Nm |
| torquerangesoftjointmax | 12.5 Nm |
| torquerangesoftjointmin | 3.5 Nm |
| freespeed | 300 r/min |
| airconsumptionatfreespeed | 7 l/s |
| maxworkingpressure | 100 psig |
| soundpressure | 78 dB(A) |
| soundstandard | ISO15744 |
| sounduncertainty | 3 dB(A) |
| vibrationstandard | ISO28927-2 |
| vibrationvalue | <2.5 m/s² |
| eaccertified | Yes |
| eulegislation | 2006/42/EC |
| eustandard | ISO 11148-6 |
| ukregulations | S.I. 2008/1597 |
| ukstandard | ISO 11148-6 |
| MPN | LUM22 SR12-300 |
| Features & Benefits | |
| lever start function and reverse ring. | |
| Fast shut-off clutch Lubrication free | |
| Reduced strain on operator | |
| Reversible | |






