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Knurled Thumb Head Screws | Global Industrial

Material

Size

Head Diameter

Thread Length

Knurling

Package Quantity

Knurled Thumb Screw w/ Shoulder - M8 x 1.25 - 20mm Thread - 30mm Head Dia. - 18mm Head H - Pkg of 2

knurled-thumb-screw-w-shoulder-m8-x-1-25-20mm-thread-30mm-head-dia-18mm-head-h-pkg-of-2

Knurled Thumb Screw w/ Shoulder - M6 x 1.0 - 25mm Thread - 24mm Head Dia. - 16mm Head H - Pkg of 5

knurled-thumb-screw-w-shoulder-m6-x-1-0-25mm-thread-24mm-head-dia-16mm-head-h-pkg-of-5

Knurled Thumb Screw w/ Shoulder - 1/4-20 - 5/8" Thread - 1" Head Dia. - 5/8" Head H

knurled-thumb-screw-w-shoulder-1-4-20-5-8-thread-1-head-dia-5-8-head-h

Knurled Thumb Screw w/ Shoulder - M8 x 1.25 - 16mm Thread - 30mm Head Dia. - 18mm Head H - Pkg of 2

knurled-thumb-screw-w-shoulder-m8-x-1-25-16mm-thread-30mm-head-dia-18mm-head-h-pkg-of-2

Knurled Thumb Screw w/ Shoulder - 1/4-20 - 1/2" Thread - 1" Head Dia. - 5/8" Head H

knurled-thumb-screw-w-shoulder-1-4-20-1-2-thread-1-head-dia-5-8-head-h

Knurled Thumb Screw w/ Shoulder - 1/4-20 - 1/2" Thread - 1" Head Dia. - 5/8" Head H - SS

knurled-thumb-screw-w-shoulder-1-4-20-1-2-thread-1-head-dia-5-8-head-h-ss

Knurled Thumb Screw w/ Shoulder - 5/16-18 - 5/8" Thread - 1-1/4" Head Dia. - 3/4" Head H - SS

knurled-thumb-screw-w-shoulder-5-16-18-5-8-thread-1-1-4-head-dia-3-4-head-h-ss

Knurled Thumb Screw w/ Shoulder - 5/16-18 - 1-1/4" Thread - 1-1/4" Head Dia. - 3/4" Head H

knurled-thumb-screw-w-shoulder-5-16-18-1-1-4-thread-1-1-4-head-dia-3-4-head-h

Knurled Thumb Screw w/ Shoulder - 1/4-20 - 1-1/4" Thread - 1" Head Dia. - 5/8" Head H - SS

knurled-thumb-screw-w-shoulder-1-4-20-1-1-4-thread-1-head-dia-5-8-head-h-ss

Knurled Thumb Screw w/ Shoulder - M10 x 1.5 - 20mm Thread - 36mm Head Dia. - 23mm Head H - Pkg of 2

knurled-thumb-screw-w-shoulder-m10-x-1-5-20mm-thread-36mm-head-dia-23mm-head-h-pkg-of-2

Precision Thumb Screw w/ Shoulder - #4-40 - 1/4" Thread - 3/8" Head Dia. - Stainless - Pkg of 5

precision-thumb-screw-w-shoulder-4-40-1-4-thread-3-8-head-dia-stainless-pkg-of-5

Precision Thumb Screw w/ Shoulder - M4 x 0.7 - 9mm Thread - 11.1mm Head Dia. - Stainless - Pkg of 5

precision-thumb-screw-w-shoulder-m4-x-0-7-9mm-thread-11-1mm-head-dia-stainless-pkg-of-5

Precision Thumb Screw w/ Shoulder - #10-32 - 3/8" Thread - 1/2" Head Dia. - Stainless - Pkg of 5

precision-thumb-screw-w-shoulder-10-32-3-8-thread-1-2-head-dia-stainless-pkg-of-5

Precision Thumb Screw w/ Shoulder - M4 x 0.7 - 9mm Thread - 11.1mm Head Dia. - Steel - Pkg of 5

precision-thumb-screw-w-shoulder-m4-x-0-7-9mm-thread-11-1mm-head-dia-steel-pkg-of-5

Precision Thumb Screw w/ Shoulder - M5 x 0.8 - 9mm Thread - 11.1mm Head Dia. - Steel - Pkg of 5

precision-thumb-screw-w-shoulder-m5-x-0-8-9mm-thread-11-1mm-head-dia-steel-pkg-of-5

Precision Thumb Screw w/ Shoulder - M5 x 0.8 - 16mm Thread - 11.1mm Head Dia. - Steel - Pkg of 5

precision-thumb-screw-w-shoulder-m5-x-0-8-16mm-thread-11-1mm-head-dia-steel-pkg-of-5

Precision Thumb Screw w/ Shoulder - #4-40 - 1/2" Thread - 3/8" Head Dia. - Steel - Pkg of 5

precision-thumb-screw-w-shoulder-4-40-1-2-thread-3-8-head-dia-steel-pkg-of-5

Precision Thumb Screw w/ Shoulder - M3 x 0.5 - 8mm Thread - 9.5mm Head Dia. - Stainless - Pkg of 5

precision-thumb-screw-w-shoulder-m3-x-0-5-8mm-thread-9-5mm-head-dia-stainless-pkg-of-5

Precision Thumb Screw w/ Shoulder - #8-32 - 1/2" Thread - 1/2" Head Dia. - Steel - Pkg of 5

precision-thumb-screw-w-shoulder-8-32-1-2-thread-1-2-head-dia-steel-pkg-of-5

Precision Thumb Screw w/ Shoulder - #8-32 - 1/2" Thread - 7/16" Head Dia. - Steel - Pkg of 5

precision-thumb-screw-w-shoulder-8-32-1-2-thread-7-16-head-dia-steel-pkg-of-5

Large Head Thumb Screw - M8 x 1.25 - 25mm Thread - 30mm Head Dia. - 6mm Head H - Steel - Pkg of 2

large-head-thumb-screw-m8-x-1-25-25mm-thread-30mm-head-dia-6mm-head-h-steel-pkg-of-2

Large Head Thumb Screw - M10 x 1.5 - 20mm Thread - 36mm Head Dia. - 8mm Head H - Steel - Pkg of 2

large-head-thumb-screw-m10-x-1-5-20mm-thread-36mm-head-dia-8mm-head-h-steel-pkg-of-2

Large Head Thumb Screw - M4 x 0.7 - 12mm Thread - 16mm Head Dia. - 3.5mm Head H - Steel - Pkg of 10

large-head-thumb-screw-m4-x-0-7-12mm-thread-16mm-head-dia-3-5mm-head-h-steel-pkg-of-10

Large Head Thumb Screw - M4 x 0.7 - 8mm Thread - 16mm Head Dia. - 3.5mm Head H - Steel - Pkg of 10

large-head-thumb-screw-m4-x-0-7-8mm-thread-16mm-head-dia-3-5mm-head-h-steel-pkg-of-10

Large Head Thumb Screw - M5 x 0.8 - 16mm Thread - 20mm Head Dia. - 4mm Head H - Steel - Pkg of 5

large-head-thumb-screw-m5-x-0-8-16mm-thread-20mm-head-dia-4mm-head-h-steel-pkg-of-5

Large Head Thumb Screw - M6 x 1.0 - 16mm Thread - 24mm Head Dia. - 5mm Head H - Steel - Pkg of 5

large-head-thumb-screw-m6-x-1-0-16mm-thread-24mm-head-dia-5mm-head-h-steel-pkg-of-5

Large Head Thumb Screw - M6 x 1.0 - 40mm Thread - 24mm Head Dia. - 5mm Head H - Steel - Pkg of 5

large-head-thumb-screw-m6-x-1-0-40mm-thread-24mm-head-dia-5mm-head-h-steel-pkg-of-5

Precision Brass Thumb Screw w/ Shoulder - #4-40 - 1/4" Thread - 3/8" Head Dia. - Pkg of 10

precision-brass-thumb-screw-w-shoulder-4-40-1-4-thread-3-8-head-dia-pkg-of-10

Precision Brass Thumb Screw w/ Shoulder - #6-32 - 9/16" Thread - 7/16" Head Dia. - Pkg of 10

precision-brass-thumb-screw-w-shoulder-6-32-9-16-thread-7-16-head-dia-pkg-of-10

Precision Brass Thumb Screw w/ Shoulder - #8-32 - 3/8" Thread - 1/2" Head Dia. - Pkg of 10

precision-brass-thumb-screw-w-shoulder-8-32-3-8-thread-1-2-head-dia-pkg-of-10

Precision Brass Thumb Screw w/ Shoulder - #10-32 - 1/2" Thread - 1/2" Head Dia. - Pkg of 10

precision-brass-thumb-screw-w-shoulder-10-32-1-2-thread-1-2-head-dia-pkg-of-10

Precision Brass Thumb Screw - #8-32 - 3/8" Thread - 3/8" Head Dia. - 3/16" Head H - Pkg of 10

precision-brass-thumb-screw-8-32-3-8-thread-3-8-head-dia-3-16-head-h-pkg-of-10

Precision Brass Thumb Screw - #6-32 - 1/2" Thread - 5/16" Head Dia. - 3/16" Head H - Pkg of 10

precision-brass-thumb-screw-6-32-1-2-thread-5-16-head-dia-3-16-head-h-pkg-of-10

Precision Brass Thumb Screw - 1/4-20 - 3/4" Thread - 1/2" Head Dia. - 3/16" Head H - Pkg of 10

precision-brass-thumb-screw-1-4-20-3-4-thread-1-2-head-dia-3-16-head-h-pkg-of-10

Precision Brass Thumb Screw - #10-32 - 1/2" Thread - 3/8" Head Dia. - 3/16" Head H - Pkg of 10

precision-brass-thumb-screw-10-32-1-2-thread-3-8-head-dia-3-16-head-h-pkg-of-10

Precision Brass Thumb Screw - 1/4-20 - 1" Thread - 1/2" Head Dia. - 3/16" Head H - Pkg of 10

precision-brass-thumb-screw-1-4-20-1-thread-1-2-head-dia-3-16-head-h-pkg-of-10

Precision Brass Thumb Screw - #4-40 - 5/16" Thread - 5/16" Head Dia. - 3/16" Head H - Pkg of 10

precision-brass-thumb-screw-4-40-5-16-thread-5-16-head-dia-3-16-head-h-pkg-of-10

Narrow Head Thumb Screw - M4 x 0.7 - 25mm Thread - 4.8mm Head Dia. - 9.5mm Head H - SS - Pkg of 5

narrow-head-thumb-screw-m4-x-0-7-25mm-thread-4-8mm-head-dia-9-5mm-head-h-ss-pkg-of-5

Narrow Head Thumb Screw - M3.5 x 0.6 - 19mm Thread - 4.8mm Head Dia. - 9.5mm Head H - SS - Pkg of 5

narrow-head-thumb-screw-m3-5-x-0-6-19mm-thread-4-8mm-head-dia-9-5mm-head-h-ss-pkg-of-5

Narrow Head Thumb Screw - M5 x 0.8 - 19mm Thread - 6.4mm Head Dia. - 12.7mm Head H - SS - Pkg of 5

narrow-head-thumb-screw-m5-x-0-8-19mm-thread-6-4mm-head-dia-12-7mm-head-h-ss-pkg-of-5

Narrow Head Thumb Screw - #4-40 - 1" Thread - 3/16" Head Dia. - 3/8" Head H - SS - Pkg of 5

narrow-head-thumb-screw-4-40-1-thread-3-16-head-dia-3-8-head-h-ss-pkg-of-5

Narrow Head Thumb Screw - #10-32 - 3/4" Thread - 1/4" Head Dia. - 1/2" Head H - SS - Pkg of 5

narrow-head-thumb-screw-10-32-3-4-thread-1-4-head-dia-1-2-head-h-ss-pkg-of-5

Narrow Head Thumb Screw - #6-32 - 1-1/4" Thread - 3/16" Head Dia. - 3/8" Head H - SS - Pkg of 5

narrow-head-thumb-screw-6-32-1-1-4-thread-3-16-head-dia-3-8-head-h-ss-pkg-of-5

Narrow Head Thumb Screw - M6 x 1.0 - 19mm Thread - 8mm Head Dia. - 12.7mm Head H - SS - Pkg of 5

narrow-head-thumb-screw-m6-x-1-0-19mm-thread-8mm-head-dia-12-7mm-head-h-ss-pkg-of-5

Narrow Head Thumb Screw - #8-32 - 1-1/4" Thread - 3/16" Head Dia. - 3/8" Head H - SS - Pkg of 5

narrow-head-thumb-screw-8-32-1-1-4-thread-3-16-head-dia-3-8-head-h-ss-pkg-of-5

Narrow Head Thumb Screw - #10-32 - 1-1/4" Thread - 1/4" Head Dia. - 1/2" Head H - SS - Pkg of 5

narrow-head-thumb-screw-10-32-1-1-4-thread-1-4-head-dia-1-2-head-h-ss-pkg-of-5

Narrow Head Thumb Screw - M4 x 0.7 - 19mm Thread - 4.8mm Head Dia. - 9.5mm Head H - SS - Pkg of 5

narrow-head-thumb-screw-m4-x-0-7-19mm-thread-4-8mm-head-dia-9-5mm-head-h-ss-pkg-of-5

Precision Thumb Screw - #10-24 - 3/4" Thread - 3/8" Head Dia. - 3/16" Head H - SS - Pkg of 5

precision-thumb-screw-10-24-3-4-thread-3-8-head-dia-3-16-head-h-ss-pkg-of-5

Precision Thumb Screw - 1/4-20 - 1-1/4" Thread - 3/4" Head Dia. - 3/16" Head H - SS - Pkg of 5

precision-thumb-screw-1-4-20-1-1-4-thread-3-4-head-dia-3-16-head-h-ss-pkg-of-5

Precision Thumb Screw - M5 x 0.8 - 9mm Thread - 11.5mm Head Dia. - 5mm Head H - SS - Pkg of 5

precision-thumb-screw-m5-x-0-8-9mm-thread-11-5mm-head-dia-5mm-head-h-ss-pkg-of-5

Precision Thumb Screw - 1/4-20 - 3/4" Thread - 3/4" Head Dia. - 3/16" Head H - SS - Pkg of 5

precision-thumb-screw-1-4-20-3-4-thread-3-4-head-dia-3-16-head-h-ss-pkg-of-5

Precision Thumb Screw - M3 x 0.5 - 8mm Thread - 8mm Head Dia. - 5mm Head H - SS - Pkg of 5

precision-thumb-screw-m3-x-0-5-8mm-thread-8mm-head-dia-5mm-head-h-ss-pkg-of-5

Precision Thumb Screw - #10-32 - 1-1/4" Thread - 3/4" Head Dia. - 3/16" Head H - SS - Pkg of 5

precision-thumb-screw-10-32-1-1-4-thread-3-4-head-dia-3-16-head-h-ss-pkg-of-5

Precision Thumb Screw - 1/4-20 - 5/8" Thread - 3/4" Head Dia. - 3/16" Head H - SS - Pkg of 5

precision-thumb-screw-1-4-20-5-8-thread-3-4-head-dia-3-16-head-h-ss-pkg-of-5

Precision Thumb Screw - M4 x 0.7 - 11mm Thread - 9.5mm Head Dia. - 5mm Head H - SS - Pkg of 5

precision-thumb-screw-m4-x-0-7-11mm-thread-9-5mm-head-dia-5mm-head-h-ss-pkg-of-5

Precision Thumb Screw - M5 x 0.8 - 11mm Thread - 11.5mm Head Dia. - 5mm Head H - SS - Pkg of 5

precision-thumb-screw-m5-x-0-8-11mm-thread-11-5mm-head-dia-5mm-head-h-ss-pkg-of-5

Precision Thumb Screw - #4-40 - 5/16" Thread - 5/16" Head Dia. - 3/16" Head H - SS - Pkg of 5

precision-thumb-screw-4-40-5-16-thread-5-16-head-dia-3-16-head-h-ss-pkg-of-5

Explore our selection of knurled thumb head screws at Global Industrial. These screws offer convenient hand tightening for various applications. Shop now for reliable fastening solutions.

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Material	Size	Head Diameter	Thread Length	Knurling	Package Quantity	Model #	Price
Stainless Steel	#4-40	3/8 in	1/4 in	Diamond	5	WBB2258914	$30.95
Stainless Steel	M4 x 0.7	11.1mm in	9mm in	Diamond	5	WBB2259002	$44.95
Stainless Steel	#10-32	1/2 in	3/8 in	Diamond	5	WBB2258926	$47.95
Steel	M4 x 0.7	11.1mm in	9mm in	Diamond	5	WBB2259204	$35.95
Steel	M5 x 0.8	11.1mm in	9mm in	Diamond	5	WBB2259109	$34.95
Steel	M5 x 0.8	11.1mm in	16mm in	Diamond	5	WBB2258961	$35.95
Steel	#4-40	3/8 in	1/2 in	Diamond	5	WBB2259233	$27.95
Stainless Steel	M3 x 0.5	9.5mm in	8mm in	Diamond	5	WBB2259202	$34.95
Steel	#8-32	1/2 in	1/2 in	Diamond	5	WBB2259206	$34.95
Steel	#8-32	7/16 in	1/2 in	Diamond	5	WBB2259113	$28.95

Knurled Head

Precision Thumb Screws w/ Shoulder

Knurled Thumb Screws w/ Shoulder

Narrow Head Thumb Screws

Brass Thumb Screws

Precision Thumb Screws

Brass Thumb Screws w/ Shoulder

Large Head Thumb Screws