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	System of Measurement System of Measurement

	Thread Size Thread Size	Show

M3.5

	Thread Size Thread Size	Hide

	Thread Type Thread Type

Metric

	Thread Pitch Thread Pitch

0.6 mm

	Length Length

	Round-Head Thumb Screw Profile Round-Head Thumb Screw Profile


Low	Narrow

	Head Diameter Head Diameter

4.8 mm

8 mm

	Threading Threading

	Fully Threaded

	Material Material

Stainless Steel

	Thumb Screw Head Shape Thumb Screw Head Shape

	Round

	Thread Direction Thread Direction

	Right Hand

	Head Height Head Height

5 mm

9.5 mm

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
Compliant

	Hardness Hardness

Rockwell B83

Rockwell B96

	Tensile Strength Tensile Strength

80,000 psi

90,000 psi

	Thread Fit Thread Fit

Class 6g

	Thread Spacing Thread Spacing

7 Products

About Thumb Screw and Binding Post Materials

Made from 18-8 stainless steel, these thumb screws are chemical resistant and may be mildly magnetic. They have a thin head for use in low-clearance applications. The head is knurled for slip-resistant controlled adjustment. Length is measured from under the head.

For technical drawings and 3-D models, click on a part number.

	Head, mm
Lg., mm	Dia.	Ht.	Tensile Strength, psi	Hardness		Each
18-8 Stainless Steel
M3.5 × 0.6 mm
8	8	5	90,000	Rockwell B96	000000000	00000
9	8	5	90,000	Rockwell B96	000000000	0000
11	8	5	90,000	Rockwell B96	000000000	0000
13	8	5	90,000	Rockwell B96	000000000	0000

Metric Narrow Knurled-Head Thumb Screws

Use these slim thumb screws in tight spaces. Made from 18-8 stainless steel, they're chemical resistant and may be mildly magnetic. The head is knurled for slip-resistant controlled adjustment. Length is measured from under the head.

For technical drawings and 3-D models, click on a part number.

	Head, mm
Lg., mm	Dia.	Ht.	Tensile Strength, psi	Hardness		Each
18-8 Stainless Steel
M3.5 × 0.6 mm
19	4.8	9.5	80,000	Rockwell B83	000000000	00000
25	4.8	9.5	80,000	Rockwell B83	000000000	0000
31	4.8	9.5	80,000	Rockwell B83	000000000	0000

7 Products

About Thumb Screw and Binding Post Materials

Metric Stainless Steel Low-Profile
Knurled-Head Thumb Screws

Metric Narrow Knurled-Head Thumb Screws

Metric Stainless Steel Low-Profile
Knurled-Head Thumb Screws

Metric Narrow Knurled-Head Thumb Screws

7 Products

About Thumb Screw and Binding Post Materials

Metric Stainless Steel Low-ProfileKnurled-Head Thumb Screws

Metric Narrow Knurled-Head Thumb Screws

Metric Stainless Steel Low-ProfileKnurled-Head Thumb Screws

Metric Narrow Knurled-Head Thumb Screws

Metric Stainless Steel Low-Profile
Knurled-Head Thumb Screws

Metric Stainless Steel Low-Profile
Knurled-Head Thumb Screws