Choosing a Wilton F-Clamp for Your Shop
Finding the right Wilton F-clamp comes down to duty rating, reach, and whether your work environment requires spark resistance. Use the guide below to match each series to your shop and workload.
Wilton Classic Mini F-Clamps
A compact option for smaller work and tight spaces. These Wilton F-clamps are light and easy to handle for quick setups.
Wilton 4" Classic Mini F-Clamp
- Opening capacity: 4"
- Throat depth: 2-1/4"
- Clamping force: 400 lb.
Best for small parts and detail work where a full-size clamp won't fit.
Wilton 8" Classic Mini F-Clamp
- Opening capacity: 8"
- Throat depth: 2-1/4"
- Clamping force: 400 lb.
More reach than the 4" while keeping the same compact, lightweight build for tight spaces.
Wilton 12" Classic Mini F-Clamp
- Opening capacity: 12"
- Throat depth: 2-1/4"
- Clamping force: 400 lb.
The longest reach in the mini series — best when you need extended capacity without stepping up to a full-size clamp.
Wilton Classic Light Duty F-Clamps
Two models in this Wilton F-clamp series — the 660S and 1200S — share a light duty build suited for woodworking, hobby projects, and general bench work.
Wilton Classic 8" Light Duty F-Clamp
- Opening capacity: 8"
- Throat depth: not listed
- Clamping force: 660 lb.
A compact entry point for light bench work and hobby clamping at a shorter reach.
Wilton Classic 12" Light Duty F-Clamp
- Opening capacity: 12"
- Throat depth: 4"
- Clamping force: 660 lb.
More reach than the 8" for standard light duty clamping across a wider range of workpieces.
Wilton Classic 18" Light Duty F-Clamp
- Opening capacity: 18"
- Throat depth: 4"
- Clamping force: 660 lb.
The longest reach in the 660S line — best for wider light duty work like panel glue-ups and trim work.
Wilton 8" Classic Light Duty F-Clamp
- Opening capacity: 8"
- Throat depth: 4-3/4"
- Clamping force: 1,200 lb.
Stronger force and deeper throat than the 660S — best for light duty tasks where a firmer hold is needed.
Wilton 12" Classic Light Duty F-Clamp
- Opening capacity: 12"
- Throat depth: 4-3/4"
- Clamping force: 1,200 lb.
More reach with the same 1,200 lb. force — a reliable everyday light duty clamp for standard bench tasks.
Wilton 18" Classic Light Duty F-Clamp
- Opening capacity: 18"
- Throat depth: 4-3/4"
- Clamping force: 1,200 lb.
Wider reach for longer workpieces while keeping the light duty build and 4-3/4" throat.
Wilton 24" Classic Light Duty F-Clamp
- Opening capacity: 24"
- Throat depth: 4-3/4"
- Clamping force: 1,200 lb.
The longest reach in the 1200S line — best for wider glue-ups and panel work that need extended capacity.
Wilton Classic Regular Duty F-Clamps
A step up in clamping force for everyday shop use. These Wilton F-clamps deliver 1,800 lb. of holding power across four reach options.
Wilton 8" Classic Regular Duty F-Clamp
- Opening capacity: 8"
- Throat depth: 4-3/4"
- Clamping force: 1,800 lb.
Best for compact everyday clamping tasks where more holding force is needed than a light duty clamp provides.
Wilton 12" Classic Regular Duty F-Clamp
- Opening capacity: 12"
- Throat depth: 5-1/2"
- Clamping force: 1,800 lb.
More reach and a deeper throat — a well-rounded regular duty clamp for standard woodworking and fabrication tasks.
Wilton 18" Classic Regular Duty F-Clamp
- Opening capacity: 18"
- Throat depth: 4-3/4"
- Clamping force: 1,800 lb.
Extended reach for wider workpieces and assemblies without stepping up to a heavy duty frame.
Wilton 24" Classic Regular Duty F-Clamp
- Opening capacity: 24"
- Throat depth: 4-3/4"
- Clamping force: 1,800 lb.
The widest reach in the regular duty line — best for long glue-ups and larger assemblies in a busy shop.
Wilton Classic Heavy Duty F-Clamps
The GSM series delivers 2,660 lb. of clamping force for demanding fabrication and welding setups. Five reach options cover most shop applications.
Wilton GSM20 8" Classic Heavy Duty F-Clamp
- Opening capacity: 8"
- Throat depth: 5-1/2"
- Clamping force: 2,660 lb.
Best for compact heavy duty clamping where a shorter bar and deep throat are needed for standard fabrication work.
Wilton GSM30 12" Classic Heavy Duty F-Clamp
- Opening capacity: 12"
- Throat depth: 5-1/2"
- Clamping force: 2,660 lb.
A practical mid-size heavy duty clamp for standard fabrication and welding tasks across a range of workpiece sizes.
Wilton GSM40 16" Classic Heavy Duty F-Clamp
- Opening capacity: 16"
- Throat depth: 4-3/4"
- Clamping force: 2,660 lb.
More reach for wider assemblies while keeping the same 2,660 lb. force for demanding shop work.
Wilton GSM50 20" Classic Heavy Duty F-Clamp
- Opening capacity: 20"
- Throat depth: 5-1/2"
- Clamping force: 2,660 lb.
Extended reach with a deeper 5-1/2" throat for heavier assemblies that need more clearance.
Wilton GSM60 24" Classic Heavy Duty F-Clamp
- Opening capacity: 24"
- Throat depth: 4-3/4"
- Clamping force: 2,660 lb.
The widest reach in the GSM series — best for large fabrication setups where heavy duty force and extended capacity are both required.
Wilton Spark-Duty Copper Plated F-Clamps
Copper plated for spark resistance in hazardous environments. These Wilton F-clamps deliver 2,660 lb. of clamping force across four reach options.
Wilton 12" Spark-Duty Copper Plated F-Clamp
- Opening capacity: 12"
- Throat depth: 5-1/2"
- Clamping force: 2,660 lb.
The shortest reach in the spark-duty line — best for standard hazardous environment clamping at a compact size.
Wilton 16" Spark-Duty Copper Plated F-Clamp
- Opening capacity: 16"
- Throat depth: 4-3/4"
- Clamping force: 2,660 lb.
More reach for wider workpieces in spark-sensitive environments without increasing clamping force.
Wilton 20" Spark-Duty Copper Plated F-Clamp
- Opening capacity: 20"
- Throat depth: 5-1/2"
- Clamping force: 2,660 lb.
Extended reach with a deeper throat for larger assemblies in hazardous environments.
Wilton 24" Spark-Duty Copper Plated F-Clamp
- Opening capacity: 24"
- Throat depth: 4-3/4"
- Clamping force: 2,660 lb.
The widest reach in the standard spark-duty line — best for larger hazardous environment work needing maximum capacity.
Wilton Spark-Duty Heavy Duty Copper Plated F-Clamps
Built for industrial environments where spark resistance and maximum holding force are both required. All five models deliver 4,880 lb. of clamping force with a 7" throat depth.
Wilton 12" Spark-Duty Heavy Duty Copper Plated F-Clamp
- Opening capacity: 12"
- Throat depth: 7"
- Clamping force: 4,880 lb.
The shortest reach in the heavy duty spark-duty series — a strong fit for standard industrial clamping in hazardous areas.
Wilton 18" Spark-Duty Heavy Duty Copper Plated F-Clamp
- Opening capacity: 18"
- Throat depth: 7"
- Clamping force: 4,880 lb.
More reach for larger assemblies while keeping the same heavy duty force and non-sparking copper construction.
Wilton 24" Spark-Duty Heavy Duty Copper Plated F-Clamp
- Opening capacity: 24"
- Throat depth: 7"
- Clamping force: 4,880 lb.
A mid-range option for wider industrial work in spark-sensitive environments.
Wilton 36" Spark-Duty Heavy Duty Copper Plated F-Clamp
- Opening capacity: 36"
- Throat depth: 7"
- Clamping force: 4,880 lb.
Built for large-format industrial clamping in spark-sensitive areas where standard reach is not enough.
Wilton 48" Spark-Duty Heavy Duty Copper Plated F-Clamp
- Opening capacity: 48"
- Throat depth: 7"
- Clamping force: 4,880 lb.
Maximum reach in the series — best for wide industrial assemblies that demand full non-sparking performance at the longest span.
Wilton Lever Clamps
Quick one-hand clamping for woodworking, light fabrication, and general bench tasks. Four sizes cover most everyday reach requirements.
Wilton LC4 4" Lever Clamp
- Opening capacity: 4"
- Throat depth: 2-3/8"
- Clamping force: 350 lb.
Best for small parts and detail work where fast one-hand clamping in a tight space is needed.
Wilton LC8 8" Lever Clamp
- Opening capacity: 8"
- Throat depth: 4"
- Clamping force: 770 lb.
More reach and force than the LC4 for standard bench work and light fabrication tasks.
Wilton LC12 12" Lever Clamp
- Opening capacity: 12"
- Throat depth: 5-1/2"
- Clamping force: 1,100 lb.
A step up in reach and force for wider workpieces and assembly work where speed and holding power both matter.
Wilton LC20 20" Lever Clamp
- Opening capacity: 20"
- Throat depth: 4-3/4"
- Clamping force: 1,200 lb.
The widest reach in the lever clamp line — best for glue-ups and panel work where one-hand speed matters across a longer span.
Wilton Classic Series F-Clamp Kit
A ready-to-go set of Wilton Classic Series F-clamps covering a range of opening capacities and clamping forces for woodworking and general bench tasks.
Wilton Classic Series F-Clamp Kit
- Opening capacity: 4" to 12"
- Throat depth: 2-1/4" to 5-1/2"
- Clamping force: 400 to 1,800 lb.
A practical starter set that covers light, regular, and mini clamping needs without buying each size individually.
