Skip to content

Item added to your cart

View cart

Collection: Instrumentation Fittings

Filter and sort Filter

Filter and sort

Filter

973 products

Length

11.5 - 13.0 in | 29 - 33 cm (20 products)
3.5 - 5.0 in | 9 - 13 cm (20 products)
7.6 - 9.1 in | 19 - 23 cm (20 products)

Clear

Orifice Diameter

0.0039 in (4 products)
0.0051 in (4 products)
0.0059 in (4 products)
0.0071 in (4 products)
0.0079 in (4 products)
0.0091 in (4 products)
0.0102 in (4 products)
0.011 in (4 products)
0.0122 in (4 products)
0.013 in (4 products)
0.0142 in (4 products)
0.015 in (4 products)
0.016 in (4 products)
0.017 in (4 products)
0.018 in (4 products)
0.019 in (4 products)
0.02 in (4 products)
0.021 in (4 products)
0.022 in (4 products)
0.023 in (4 products)
0.024 in (4 products)
0.025 in (3 products)
0.026 in (4 products)
0.027 in (3 products)
0.028 in (4 products)
0.029 in (4 products)
0.031 in (4 products)
0.032 in (4 products)
0.033 in (4 products)
0.035 in (4 products)

Clear

Type

CMNY (60 products)
Knurled Cap - PF11 (60 products)
Knurled Cap - PF11MF (30 products)
Semi-Smooth Cap - PF15 (60 products)
Smooth Cap - PF12 (60 products)
Smooth Cap - PF12MF (30 products)
VM (24 products)

Clear

Finish

Zinc/Clear (21 products)

Clear

Material

Aluminum (1 products)
Brass (1 products)
Brass/Plastic (118 products)
Carbon Steel (21 products)
CPVC (42 products)
EASTAR (36 products)
Polytetrafluoroethylene (PTFE) (33 products)
PVC (42 products)
Stainless Steel (6 products)
Steel (4 products)

Clear

Size

1/2" (12 products)
3/4" (12 products)
1" (12 products)
1 1/4" (12 products)
1 1/2" (12 products)
2" (12 products)
2 1/2" (12 products)
3" (18 products)
4" (18 products)

Clear

Thickness

0.005 in (1 products)
0.006 in (13 products)
0.010 in (19 products)

Clear

Thread Code

032 (42 products)
0420 (30 products)
440 (30 products)
632 (30 products)
832 (42 products)
M3 (18 products)
M3.5 (18 products)
M4 (18 products)
M5 (18 products)
M6 (18 products)

Clear

Thread Size

Clear

Sort by:

Remove all

Sort by:

973 products

PF12MF Large Knob, Spring-Loaded - Unified Thread

PF12MF Large Knob, Spring-Loaded - Unified Thread

Brand: Hi-Tech Fasteners, Inc.

Regular price $15.99

Regular price Sale price $15.99
Unit price per

Sold out
PEM® Large Knob - Spring-Loaded PF11MF/PF12MF - Unified

PEM® Large Knob - Spring-Loaded PF11MF/PF12MF - Unified

Brand: Hi-Tech Fasteners, Inc.

Regular price $14.99

Regular price Sale price $14.99
Unit price per

Sold out
UNIFIED Large Knob with Spring-Loaded Captive Panel Screws PF11MF/PF12MF

UNIFIED Large Knob with Spring-Loaded Captive Panel Screws PF11MF/PF12MF

Brand: Hi-Tech Fasteners, Inc.

Regular price $24.99

Regular price Sale price $24.99
Unit price per

Sold out
Large Knob, Spring-loaded - Types PF11MF and PF12MF - Unified Fasteners

Large Knob, Spring-loaded - Types PF11MF and PF12MF - Unified Fasteners

Brand: Hi-Tech Fasteners, Inc.

Regular price $14.99

Regular price Sale price $14.99
Unit price per

Sold out
Spring-Loaded Large Knob PF11MF/PF12MF for Metal Sheets - Unified Thread

Spring-Loaded Large Knob PF11MF/PF12MF for Metal Sheets - Unified Thread

Brand: Hi-Tech Fasteners, Inc.

Regular price $12.99

Regular price Sale price $12.99
Unit price per

Sold out
Unified Large Knob with Spring-loaded Smooth Cap - Types PF11MF and PF12MF

Unified Large Knob with Spring-loaded Smooth Cap - Types PF11MF and PF12MF

Brand: Hi-Tech Fasteners, Inc.

Regular price $14.99

Regular price Sale price $14.99
Unit price per

Sold out
Unified Large Knob Spring-Loaded PF11MF/PF12MF

Unified Large Knob Spring-Loaded PF11MF/PF12MF

Brand: Hi-Tech Fasteners, Inc.

Regular price $24.99

Regular price Sale price $24.99
Unit price per

Sold out
Large Knob Spring-Loaded PF11 & PF12 - Metric Fasteners

Large Knob Spring-Loaded PF11 & PF12 - Metric Fasteners

Brand: Hi-Tech Fasteners, Inc.

Regular price $29.99

Regular price Sale price $29.99
Unit price per

Sold out
Unified Large Knob with Spring-Loaded Mechanism - Types PF11MF & PF12MF

Unified Large Knob with Spring-Loaded Mechanism - Types PF11MF & PF12MF

Brand: Hi-Tech Fasteners, Inc.

Regular price $29.99

Regular price Sale price $29.99
Unit price per

Sold out
Unified Large Knob with Spring-Loaded Mechanism - PF11MF and PF12MF

Unified Large Knob with Spring-Loaded Mechanism - PF11MF and PF12MF

Brand: Hi-Tech Fasteners, Inc.

Regular price $24.99

Regular price Sale price $24.99
Unit price per

Sold out
Unified Large Knob with Spring-Loaded PF11MF/PF12MF

Unified Large Knob with Spring-Loaded PF11MF/PF12MF

Brand: Hi-Tech Fasteners, Inc.

Regular price $29.99

Regular price Sale price $29.99
Unit price per

Sold out
Unified Large Knob Spring-Loaded PF11MF & PF12MF

Unified Large Knob Spring-Loaded PF11MF & PF12MF

Brand: Hi-Tech Fasteners, Inc.

Regular price $24.99

Regular price Sale price $24.99
Unit price per

Sold out
Spring-Loaded Large Knob - PF11 and PF12 - Metric Fasteners

Spring-Loaded Large Knob - PF11 and PF12 - Metric Fasteners

Brand: Hi-Tech Fasteners, Inc.

Regular price $24.99

Regular price Sale price $24.99
Unit price per

Sold out
Unified Large Knob, Spring-loaded PF11MF/PF12MF

Unified Large Knob, Spring-loaded PF11MF/PF12MF

Brand: Hi-Tech Fasteners, Inc.

Regular price $12.99

Regular price Sale price $12.99
Unit price per

Sold out
Unified Large Knob Spring-loaded PF11MF & PF12MF

Unified Large Knob Spring-loaded PF11MF & PF12MF

Brand: Hi-Tech Fasteners, Inc.

Regular price $24.99

Regular price Sale price $24.99
Unit price per

Sold out
Spring-Loaded Large Knob PF11 & PF12 - Metric, Self-Clinching Style

Spring-Loaded Large Knob PF11 & PF12 - Metric, Self-Clinching Style

Brand: Hi-Tech Fasteners, Inc.

Regular price $24.99

Regular price Sale price $24.99
Unit price per

Sold out

1
…
37
38
39
40
41
…
61

The U.S. Manufacturing Revival is Here.

America’s first B2B digital marketplace exclusively for U.S. manufactured products.

Instagram
Translation missing: en.general.social.links.linkedin

Quick links

Browse All Categories
Seller Registration
Learn
About
Contact

Legal

Privacy Policy
Terms of Service
Shipping Policy
Refund Policy
Contact Information

Payment methods

© 2026, Maden

Privacy policy
Terms of service
Refund policy
Contact information

Choosing a selection results in a full page refresh.
Opens in a new window.