🔩 Product Overview: 10#32 Phillips Pan Head Machine Screws – Black Zinc Carbon Steel
Need a strong, precision fastener for American standard applications? These 10#32 Phillips pan head machine screws are made from high‑quality carbon steel (C1018) with a black zinc finish – offering good corrosion resistance, high strength, and a clean, professional look. The round pan head sits flush on surfaces, and the Phillips drive makes installation quick with standard #2 bits. Fully threaded with a fine 32 TPI (threads per inch) pitch, they provide excellent anti‑loosening performance and precision. Available in lengths 3/8", 1/2", and 1.5" (measured including the head). Perfect for machinery assembly, electronics, automotive, marine, and DIY projects where American standard threads are required. Choose from standard Phillips cross slot (+) or the combined “±” (Phillips / slotted) drive option.
✨ Why These 10#32 Black Zinc Pan Head Screws Belong in Your Shop
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10#32 American standard thread – 10 gauge diameter with 32 threads per inch (fine thread). Common in precision machinery, electronics, automotive, and marine equipment.
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Black zinc plated carbon steel (C1018) – Provides good corrosion and rust resistance, high strength, wear resistance, and a dark matte finish that blends with black equipment.
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Round pan head design – Low‑profile domed head with a flat bearing surface. Sits flush on panels, distributes clamping force evenly, and looks clean on finished work.
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Phillips drive (cross slot) – Available in standard “+” (Phillips) or combined “±” (Phillips / slotted) drive for added convenience. Even force distribution, easy to lock, anti‑slip.
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Fully threaded, fine pitch – Threads run the entire shank length. 32 TPI provides higher precision and better vibration resistance than coarse threads.
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Multiple length options – Available in 3/8", 1/2", and 1.5" (measured including the head). Head diameter 0.37", head thickness 0.118"–0.142".
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Wide application range – Machinery assembly, electronic equipment (shells, heat sinks), home appliances, industrial equipment, building decoration, automotive manufacturing (instrument panels, seat adjusters), ships, medical equipment, toys, outdoor gear, and more.
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High installation efficiency – Precision threads and consistent head dimensions allow quick, reliable assembly. Durable and long service life.
📏 Technical Specifications – 10#32 Pan Head Phillips Screws (Black Zinc)
| Specification |
Details |
| Product Name |
10#32 Phillips Pan Head Machine Screw |
| Model |
Carbon Steel Round Head Cross Bolts |
| Material |
Carbon Steel C1018 |
| Surface Finish |
Black zinc plated (also available in 304 stainless natural upon request) |
| Thread Size (Diameter) |
10#32 (10 gauge, 32 threads per inch – fine thread) |
| Length Options (including head) |
3/8" (≈9.5mm), 1/2" (≈12.7mm), 1.5" (≈38.1mm) |
| Head Diameter (D) |
0.37" (≈9.4mm) |
| Head Thickness |
0.118" – 0.142" (≈3.0 – 3.6mm) |
| Drive Style |
Phillips cross slot (“+”) or combined Phillips/slotted (“±”) – select option |
| Head Style |
Round pan head |
| Tolerance |
±0.2" (manual measurement) |
| Standard |
American standard (Imperial) |
📦 Available Size Options
| Thread Size |
Length (including head) |
Head Diameter |
Drive Type |
|
10#32
|
3/8" |
0.37"
|
“+” (Phillips) |
| 3/8" |
“±” (Combined) |
| 1/2" |
“+” (Phillips) |
| 1.5" |
“+” (Phillips) |
❓ FAQs – 10#32 Pan Head Black Zinc Screws
🔸 What does 10#32 mean? Is this a metric or imperial size?
10#32 is an American (imperial) thread size. The “10” indicates the screw gauge (diameter ≈ 0.19” or 4.8mm). The “32” means 32 threads per inch (fine thread). It is not metric – use with standard 10#32 nuts or tapped holes. This size is common in electronics, appliances, automotive, and precision machinery.
🔸 Are these screws fully threaded? How is length measured?
Yes – they are fully threaded from just under the head to the tip. Length is measured including the head (total screw length) – standard for pan head screws. For example, a 1/2" screw is 0.5 inches long from the top of the round head to the tip. This matches the measurement method shown in the spec table.
🔸 Will black zinc plating rust or wear off?
Black zinc provides good corrosion resistance for indoor and light outdoor use. It holds up well in dry environments and resists rust better than raw steel. For constant moisture, saltwater, or harsh chemicals, we recommend the 304 stainless steel version (available separately). With normal use, the coating is durable and long‑lasting.
🔸 What’s the difference between the “+” and “±” drive options?
“+” is a standard Phillips cross recess – best for Phillips drivers. “±” is a combined Phillips and slotted recess – you can use either a Phillips driver or a flathead screwdriver. The combined option offers flexibility if you may not have a Phillips driver handy. Both provide good torque transfer.
🔸 What screwdriver size should I use for these 10#32 screws?
For the Phillips drive (“+” or the Phillips portion of “±”), use a #2 Phillips (PH2) bit. For the slotted portion of “±”, use a 1/8” or 3.5mm flathead screwdriver. Using the correct size prevents stripping.
🔸 Can I use these screws with nuts, or are they self‑tapping?
These are standard machine screws – they require a matching 10#32 nut or a pre‑tapped hole. They are not self‑tapping. For best results, pair with steel or stainless 10#32 hex nuts. The fine thread provides excellent anti‑loosening performance when used with a nut.
