Iron Thumb Screws | McMaster-Carr

Filter by

Material

Fastener Head Type

System of Measurement

Thread Size

Length

Thumb Screw Head Shape

Head Diameter

Round-Head Thumb Screw Profile

Threading

Head Height

Thread Length

Head Color

Thread Type

Thread Pitch

Grip Style

Collar Height

Drive Style

Head Texture

Thread Spacing

Collar Diameter

Stud Length

Export Control Classification Number (ECCN)

EAR99

RoHS

Compliant

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

DFARS Specialty Metals

Head Material

1,978 Products

Fastening and Joining

Thumb Screws

Tighten and loosen by hand without the need for tools

1,519 products

Captive Panel Screws

Secure panels and enclosures while still having access to them

182 products

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

46 products

Set Screws

Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads

2 products

Thumb Nuts

Easy to tighten and loosen by hand for making frequent adjustments

6 products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

74 products

Power Transmission

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

82 products

Material Handling

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

13 products

Screw Conveyors

Push material through fixed troughs

7 products

Fabricating and Machining

Clamps

Hold workpieces securely in place

5 products