Loads more being listed so take a look if you need different sizes.
eBay
Camera Shoulder Strap Screw for Insta360 SLR Camera 1/4" Screw Connecting Adapter D-ring Screws - Quick Install/Release
Aliexpress UK
MACHINE SCREWS ROUND SLOTTED HEAD BOLTS SCREWS NUTS 2BA - 6BA 1025 PCS. 6BA x 3/4". 3 x Nuts: 6BA, 4BA, 2BA. 2BA 1 1/2". Assorted Sizes Inc BA. Box of 1025pc. 4 BA x 2". Machine Screws with Nuts Round Head, Slotted.
eBay
100pcs/200pcs Movements Screws Precision Micro Miscellaneous Screws Randomly Shipped in Various Sizes Screws watch accessories
Aliexpress UK
Loads more being listed so take a look if you need different sizes.
eBay
Gr2 Pure titanium Round head hexagonal screw nonmagnetic screws M2 M2.5 M3 M4 M5 M6 M8 TA2 screws 10-20pcs/lot
Aliexpress UK
6BA 1/4" Slotted Round Brass /Nickel MK Screw. Pk 20
eBay
Plastic Anti-static Screw Tray for M2 M3 M4 M5 Screws Excellent for Screw Arrangement Counting Storage and Metal Alignment
Aliexpress UK
Slotted Cheese Head Screws. A2 Stainless Steel.
eBay
Thread Checker Screw Measurement Ruler Stainless Steel Caliper Metric Gauge Tool For Measuring Screw Pitch Bit Bolt Nut Screw
Aliexpress UK
Thread sizes - 2BA 4BA & 6BA. 4BA X 1 1/2". 2BA X 1 1/4". 2BA X 1 1/2". Grade - 12.9 High tensile steel black. The following sizes are part threaded-.
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Connecting Rod for Timex Tide T2N720 T2N721 TW2T76300 Series Screws Dedicated Screw Watch Watchband Strap Screw Rod with Tools
Aliexpress UK
9 BA Brass Cheese Head Machine Screws Manufactured by EKP Supplies in The UK.
eBay
Quick Release Plate Adapter Screw 1/4inch D-Ring Tripod Screw Mounting Screw Adapter for Camera Camcorder Tripod Monopod QR
Aliexpress UK
Emfast supplies a wide range of fasteners and fittings to the automotive, aerospace, defence, engineering, and motorsport sectors. Round Slotted Steel Machine Screw. Thread BA (British Association).
eBay
Universal Damaged Screw Extractor Set Broken Screw Remover Kit Easy Out Hex Head Bolt Nut Stud Extractor Screw Removal Tool Sets
Aliexpress UK