Conventional Fasteners

ProtoSpace Mfg stocks a wide variety of conventional fasteners, and if we don't stock it, we have sophisticated non-stock request system where we will source just about any common fastener for you with a quick delivery.

Countersinking

ProtoSpace Mfg also proudly offers in-house Countersinking. Countersinking is ideal for ensuring your flathead screws sit flush against the metal of your custom enclosure or part.

Standard Countersinking Sizes

ProtoSpace offers standard countersink angles of 82 degrees, 90 degrees and 100 degrees. If you require a custom countersink angle, please contact us to discuss your options.

Most Commonly Used Fasteners:

PART NUMBER
DESCRIPTION
THREAD SIZE
MATERIALS NOT COMPATIBLE
LENGTH
STOCKED
90480A003
Hex Nut 2-56 Steel Zinc
2-56
Stainless Cold-rolled Aluminum
Non-stock
MS_2-56_1/4in_PPH_18-8SS
Machine Screw 2-56 x 1/4in Phillips Pan Head 18-8 Stainless
2-56
Stainless Cold-rolled Aluminum
.250
Non-stock
2-56X1/4PAN PH SS B0
Machine Screw 2-56 x 1/4in Phillips Pan Head 18-8 Stainless Black Oxide
2-56
Stainless Cold-rolled Aluminum
.250
Non-stock
2-56X1/4PAN PH ST ZC
Machine Screw 2-56 x 1/4in Phillips Pan Head Steel Zinc
2-56
Stainless Cold-rolled Aluminum
.250
Non-stock
2-56X1/4FT1 PH SS B0
Machine Screw 2-56 x 1/4in Phillips Flat Head 100° 18-8 Stainless Black Oxide
2-56
Stainless Cold-rolled Aluminum
.250
Non-stock
FCMP0204
Machine Screw 2-56 x 1/4in Phillips Flat Head 100° Steel Zinc
2-56
Stainless Cold-rolled Aluminum
.250
Non-stock
2-56x1/4FT1 PH SS PS
Machine Screw 2-56 x 1/4in Phillips Flat Head 100° 18-8 Stainless
2-56
Stainless Cold-rolled Aluminum
.250
Non-stock
2-56X1/4FLT PH SS B0
Machine Screw 2-56 x 1/4in Phillips Flat Head 82° 18-8 Stainless Black Oxide
2-56
Stainless Cold-rolled Aluminum
.250
Non-stock
FMSP0204
Machine Screw 2-56 x 1/4in Phillips Flat Head 82° 18-8 Stainless
2-56
Stainless Cold-rolled Aluminum
.250
Non-stock
91771A110
Machine Screw 4-40 x 1/2in Phillips Flat Head 82° 18-8 Stainless
4-40
Stainless Cold-rolled Aluminum
Non-stock
4-40X3/8PAN PH SS B0
Machine Screw 4-40 x 3/8in Phillips Pan Head 18-8 Stainless Black Oxide
4-40
Stainless Cold-rolled Aluminum
Non-stock
91240A005
Mil Spec. Hex Nut 4-40 18-8 Stainless (MS-35649-244) 1/4in Wide, 3/32in High
4-40
Stainless Cold-rolled Aluminum
Non-stock
4-40X3/16PAN PH SS B0
Machine Screw 4-40 x 3/16in Phillips Pan Head 18-8 Stainless Black Oxide
4-40
Stainless Cold-rolled Aluminum
Non-stock
0MAS04400250FLP01BX
Machine Screw 4-40 x 1/4in Phillips Flat Head 82° 18-8 Stainless Black Oxide
4-40
Stainless Cold-rolled Aluminum
Non-stock
4-40X1/4FLT PH ST ZC
Machine Screw 4-40 x 1/4in Phillips Flat Head 82° Steel Zinc
4-40
Stainless Cold-rolled Aluminum
Non-stock
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