System of Measurement
Shoulder Length
Shoulder Length
1/16"
3/32"
1/8"
5/32"
3/16"
7/32"
1/4"
9/32"
5/16"
11/32"
3/8"
13/32"
7/16"
15/32"
1/2"
9/16"
5/8"
11/16"
3/4"
13/16"
7/8"
15/16"
1"
1 1/8"
1 1/4"
1 5/16"
1 3/8"
1 7/16"
1 1/2"
1 9/16"
1 5/8"
1 3/4"
1 7/8"
2"
2 1/8"
2 1/4"
2 1/2"
2 3/4"
3"
3 1/4"
3 1/2"
3 3/4"
4"
4 1/4"
4 1/2"
4 3/4"
5"
5 1/2"
6"
6 1/2"
7"
7 1/2"
8"
2 mm
2.5 mm
3 mm
4 mm
5 mm
6 mm
7 mm
8 mm
9 mm
10 mm
11 mm
11.5 mm
12 mm
13 mm
14 mm
15 mm
16 mm
16.5 mm
17 mm
17.5 mm
18 mm
19 mm
20 mm
21 mm
21.5 mm
22 mm
23 mm
24 mm
25 mm
25.5 mm
26.5 mm
28 mm
29.5 mm
30 mm
33 mm
34.5 mm
35 mm
35.5 mm
38 mm
39.5 mm
40 mm
41 mm
44.5 mm
45 mm
45.5 mm
48 mm
49.5 mm
50 mm
52 mm
54.5 mm
55 mm
55.5 mm
59.5 mm
60 mm
65 mm
65.5 mm
69.5 mm
70 mm
74.5 mm
75 mm
80 mm
85.5 mm
90 mm
100 mm
105.5 mm
110 mm
120 mm
125 mm
130 mm
140 mm
150 mm
160 mm
170 mm
180 mm
190 mm
Head Type
Socket Head Profile
Drive Style
Head Texture
Shoulder Fit
Thread Direction
Thread Spacing
Product Categories Screws and Bolts / Shoulder Screws

Shoulder Screws

4974 Products
Alloy Steel Shoulder Screws
Alloy Steel Shoulder Screws
Comparable in strength to Grade 8 steel. These screws have inch thread sizes.
Metric Alloy Steel Shoulder Screws
Metric Alloy Steel Shoulder Screws
Comparable to Class 12.9 steel.
Short-Thread Alloy Steel Shoulder Screws
Short-Thread Alloy Steel Shoulder Screws
Use these screws in thin materials; they have a shorter threaded portion than our standard shoulder screws. They’re comparable in strength to Grade 8 steel.
Same-Size Thread AlloySteel Shoulder Screws
Same-Size Thread AlloySteel Shoulder Screws
With threads the same diameter as the shoulder, these inch-sized screws can handle heavy loads. They’re comparable to Grade 8 steel.
Metric Same-Size ThreadAlloy Steel Shoulder Screws
Metric Same-Size ThreadAlloy Steel Shoulder Screws
The metric-sized threads on these screws are the same diameter as the shoulder. Comparable in strength to Class 12.9 steel.
Alloy Steel Shoulder Screwswith Material Certification
Alloy Steel Shoulder Screwswith Material Certification
These shoulder screws come with a traceable lot number and material test report. Similar in strength to Grade 8 steel.
18-8 Stainless Steel Shoulder Screws
18-8 Stainless Steel Shoulder Screws
Made from 18-8 stainless steel, these inch-sized shoulder screws have good chemical resistance.
Metric 18-8 StainlessSteel Shoulder Screws
Metric 18-8 StainlessSteel Shoulder Screws
These screws have metric thread sizes. They are 18-8 stainless steel for good chemical resistance.
Same-Size Thread 18-8Stainless Steel Shoulder Screws
Same-Size Thread 18-8Stainless Steel Shoulder Screws
With inch-sized threads the same diameter as the shoulder, these screws can handle heavy loads. They’re 18-8 stainless steel for good chemical resistance.
316 Stainless Steel Shoulder Screws
316 Stainless Steel Shoulder Screws
More corrosion resistant than 18-8 stainless steel shoulder screws, these have excellent resistance to chemicals and salt water. These screws have inch thread sizes.
Metric 316 StainlessSteel Shoulder Screws
Metric 316 StainlessSteel Shoulder Screws
For metric thread sizes with excellent resistance to chemicals and salt water, choose these 316 stainless steel shoulder screws.
High-Strength 17-4 PH StainlessSteel Shoulder Screws
High-Strength 17-4 PH StainlessSteel Shoulder Screws
Shoulder screws made of 17-4 PH stainless steel are nearly twice as strong as 18-8 stainless steel and have the same corrosion resistance. These screws have inch thread sizes.
Nylon Shoulder Screws
Nylon Shoulder Screws
These shoulder screws are chemical resistant, nonconductive, and lightweight.
Aluminum Shoulder Screws
Aluminum Shoulder Screws
One-third the weight of steel, aluminum shoulder screws are lightweight and have good corrosion resistance.
Titanium Shoulder Screws
Titanium Shoulder Screws
Titanium shoulder screws have a high strength-to-weight ratio and are more resistant to acids and salt water than nickel shoulder screws.
Nickel Alloy Shoulder Screws
Nickel Alloy Shoulder Screws
Nickel alloy shoulder screws are more resistant to acids and salt water than stainless steel shoulder screws.
Metric Slotted Low-ProfileSteel Shoulder Screws
Metric Slotted Low-ProfileSteel Shoulder Screws
With a reduced head size and an unthreaded shoulder, use these screws as a shaft or dowel pin for small rotating parts in low-clearance applications.
Low-Profile Shoulder Screws
Low-Profile Shoulder Screws
The head height of these screws is about two-thirds the head height of a standard shoulder screw. Use them in low-clearance applications such as inside machines.
Metric Low-Profile Shoulder Screws
Metric Low-Profile Shoulder Screws
These metric screws have a head height that's about two-thirds the head height of a standard shoulder screw. Use them in low-clearance applications such as inside machines.
Ultra-Low-Profile Shoulder Screws
Ultra-Low-Profile Shoulder Screws
These have a head height about one-third the head height of a standard shoulder screw.
Metric Steel Hex Head Shoulder Screws
Metric Steel Hex Head Shoulder Screws
Also known as wheel and axle bolts, these metric screws have an unthreaded shoulder that acts as a shaft, so material attached to the threaded end can rotate.
Steel Hex Head Shoulder Screws
Steel Hex Head Shoulder Screws
A zinc plating provides mild corrosion resistance.
Stainless Steel HexHead Shoulder Screws
Stainless Steel HexHead Shoulder Screws
Stainless steel shoulder screws have excellent corrosion resistance in most environments.
Alloy Steel Thread-LockingShoulder Screws
Alloy Steel Thread-LockingShoulder Screws
A locking element on the threads adds friction to resist loosening. Comparable to Grade 8 steel, these alloy steel shoulder screws are the strongest we offer.
Metric Alloy SteelThread-Locking Shoulder Screws
Metric Alloy SteelThread-Locking Shoulder Screws
Available in metric sizes, these screws have a locking element on the threads that adds friction to resist loosening. Comparable to Grade 8 steel, they are the strongest screws we offer.
18-8 Stainless SteelThread-Locking Shoulder Screws
18-8 Stainless SteelThread-Locking Shoulder Screws
These shoulder screws have good chemical resistance.
Super-Corrosion-Resistant 316 StainlessSteel Thread-Locking Shoulder Screws
Super-Corrosion-Resistant 316 StainlessSteel Thread-Locking Shoulder Screws
More corrosion resistant than 18-8 stainless steel shoulder screws, these have excellent resistance to chemicals and salt water.
Flat Head Shoulder Screws
Flat Head Shoulder Screws
These shoulder screws are angled under the head to sit flush in countersunk holes.
Internally Threaded Shoulders
Internally Threaded Shoulders
Screw these shoulders onto a stud.
Shoulder Screws with Hex-Drive Tip
Shoulder Screws with Hex-Drive Tip
With a hex socket at the tip as well as the head, you can fasten these shoulder screws from the tip when the head cannot be reached.
Left-Hand Threaded Shoulder Screws
Left-Hand Threaded Shoulder Screws
Tighten these shoulder screws by turning them to the left; once fastened, they resist loosening from counterclockwise motion.
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