Clutch Screwdrivers Comparison Chart

Using Mountz torque analyzers to ensure consistent quality can reduce the risk of lost products on the line or failures in the field. We have analyzers designed for the most efficient pass/fail assessments, models that use an internal computer to measure and display results in research and quality management environments, and even ones that connect to external torque sensors. Whatever variety you need, our torque testers are designed to fit into your processes and production environment.

Mountz Clutch Screwdrivers (Brush and Brushless Motors) Increase Production Rates and Enhance Process Efficiency Faster than hand tools and more precise than air tools, electric screwdrivers are the intelligent choice for high-volume manufacturers who want to increase productivity. Mountz electric screwdrivers simplify quality control and ensure accuracy in the fastening process with a precision automatic shut-off clutch once preset torque is achieved. The assembly power tools can be connected to the Scout Screw Counter for an additional layer of error-proofing.

Designed for high-production environments, an electric screwdriver featuring a high-performance brushless motor design provides durability and reduces the common maintenance costs associated with brush-type electric screwdrivers. Brushless motors keep your tools on the line by reducing maintenance downtime, which, in turn, maximizes your tooling ROI.

Brushless Motors Screwdrivers

Brush Motor Screwdrivers

Product Name

Mini BF-Series

BF-Series

NF-Series

HF-Series

LF-Series

EF-Series

K-Series

E-Series

0.17 - 3.9 lbf.in 2 - 44.1 cN.m

0.9 - 10.4 lbf.in 9.8 - 117.6 cN.m

2.6 - 39 lbf.in 29.4 - 441 cN.m

17.4 - 87 lbf.in 196.2 -981 cN.m

0.8 - 15.6 lbf.in 9.8 -176.6 cN.m

0.3 - 15.6 lbf.in 3 -176.6 cN.m STC30 Plus or ET-30D

2.6 - 39 lbf.in 29.4 - 441 cN.m

0.9 - 21.7 lbf.in 10 - 176 cN.m

Torque Ranges

STC40 or FT-30D

STC40 or FT-30D

Transformer (Power Supply) Models

STC40

STC40

HTC35

STC30 Plus

-

Direct Plug-In (Plugs directly into a power outlet)

4mm HIOS 1/4” F/Hex

Drive Sizes

1/4” F/Hex

4mm HIOS

1/4” F/Hex

1/4” F/Hex

1/4” F/Hex

1/4” F/Hex

1/4” F/Hex

Tool Lengths

7 2/3”

9”

10 1/4"

11 1/3”

9"

7 2/3” - 8 1/2”"

10 1/4”

10- 11.1"

Tool Weights

8.5 oz

14.5 oz

18.4 oz

28.6 oz

15.5 oz

8.5 - 11 oz

21.2 oz

19.8 oz

Features

ESD Safe

Overheat Protection (OHP) and Over-Current Protection

Soft Stop clutch reduces shock & vibration to sensitive assembly applications (for Select models) Soft Start mode: Control initial speed ramp for a slow rotation- allows for smooth engagement with a fastener and helps prevent cross-threading (for Select models) Double Hit mode: For soft joint applications, perform a second hit to stabilize the torque for joint relaxation (for Select models) Angle and Auto Reverse models: For installing heli-coil screw thread inserts, light tapping & gauging applications (for Select models) Adjustable Speed: Selectable RPM setting at designated increments (like 50 RPM or 100 RPM setting) Selectable Speed: The tool has two speed options (High and Low RPM Setting)

Available in Lever or Push to Start

Warranty: 1 year for manufacturer’s defects

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