PEM-Style Pins | McMaster-Carr

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84 Products

Captive Pins

Also known as pilot pins, use these pins to position, pivot, and align components. To install, punch or drill a hole in sheet metal, then use a punch and anvil or arbor press to clinch the head to the metal.

Pins are passivated for added protection against corrosion and oxidation. The ends are chamfered for easy insertion.

TPS PEM® Series—TPS PEM® Series pins work on steel or aluminum sheets. Made of 18-8 stainless steel, they offer a balance of strength and corrosion resistance and may be mildly magnetic.

TP4 PEM® Series—TP4 PEM® Series pins work on stainless steel sheets. Made of 400 series stainless steel, they resist wear and abrasion, but are not as corrosion resistant as 18-8 stainless steel pins. Pins may be mildly magnetic.

MPP PEM® Series—MPP PEM® Series pins work with most materials. Made of A286 stainless steel, they're our strongest captive pins, with corrosion resistance comparable to 18-8 stainless steel pins. They are nonmagnetic.

	Dia. Tolerance	PEM® Series No.	PEM® Part No.	For Min. Panel Thk.	Pkg. Qty.		Pkg.
18-8 Stainless Steel







			1/8" Diameter

			3/8"	-0.002" to 0.002"	TPS	TPS-125-6	0.04"	50	000000000	00000


			1/2"	-0.002" to 0.002"	TPS	TPS-125-8	0.04"	50	000000000	00000
			5/8"	-0.002" to 0.002"	TPS	TPS-125-10	0.04"	50	000000000	00000
			3/4"	-0.002" to 0.002"	TPS	TPS-125-12	0.04"	25	000000000	0000




					3/16" Diameter

					3/8"	-0.002" to 0.002"	TPS	TPS-187-6	0.04"	25	000000000	0000


					1/2"	-0.002" to 0.002"	TPS	TPS-187-8	0.04"	25	000000000	0000
					5/8"	-0.002" to 0.002"	TPS	TPS-187-10	0.04"	25	000000000	0000
					3/4"	-0.002" to 0.002"	TPS	TPS-187-12	0.04"	25	000000000	0000
					1"	-0.002" to 0.002"	TPS	TPS-187-16	0.04"	25	000000000	0000




							1/4" Diameter

							1/2"	-0.002" to 0.002"	TPS	TPS-250-8	0.04"	25	000000000	0000


							5/8"	-0.002" to 0.002"	TPS	TPS-250-10	0.04"	25	000000000	00000
							3/4"	-0.002" to 0.002"	TPS	TPS-250-12	0.04"	10	000000000	0000
							1"	-0.002" to 0.002"	TPS	TPS-250-16	0.04"	25	000000000	00000




									3 mm Diameter

									8 mm	-0.05 mm to 0.05 mm	TPS	TPS-3MM-8	1 mm	25	000000000	0000


									10 mm	-0.05 mm to 0.05 mm	TPS	TPS-3MM-10	1 mm	25	000000000	0000
									12 mm	-0.05 mm to 0.05 mm	TPS	TPS-3MM-12	1 mm	25	000000000	0000
									16 mm	-0.05 mm to 0.05 mm	TPS	TPS-3MM-16	1 mm	25	000000000	0000




											4 mm Diameter

											8 mm	-0.05 mm to 0.05 mm	TPS	TPS-4MM-8	1 mm	25	000000000	0000


											10 mm	-0.05 mm to 0.05 mm	TPS	TPS-4MM-10	1 mm	25	000000000	0000
											12 mm	-0.05 mm to 0.05 mm	TPS	TPS-4MM-12	1 mm	25	000000000	0000
											16 mm	-0.05 mm to 0.05 mm	TPS	TPS-4MM-16	1 mm	25	000000000	0000




											5 mm Diameter

	10 mm	-0.05 mm to 0.05 mm									TPS	TPS-5MM-10	1 mm	25	000000000	0000


	12 mm	-0.05 mm to 0.05 mm									TPS	TPS-5MM-12	1 mm	25	000000000	0000
	16 mm	-0.05 mm to 0.05 mm									TPS	TPS-5MM-16	1 mm	25	000000000	0000
	20 mm	-0.05 mm to 0.05 mm									TPS	TPS-5MM-20	1 mm	25	000000000	0000




											6 mm Diameter

			12 mm	-0.05 mm to 0.05 mm							TPS	TPS-6MM-12	1 mm	25	000000000	0000


			16 mm	-0.05 mm to 0.05 mm							TPS	TPS-6MM-16	1 mm	25	000000000	00000
			20 mm	-0.05 mm to 0.05 mm							TPS	TPS-6MM-20	1 mm	25	000000000	00000


			400 Series Stainless Steel







											1/8" Diameter

											3/8"	-0.002" to 0.002"	TP4	TP4-125-6	0.04"	25	000000000	0000


											1/2"	-0.002" to 0.002"	TP4	TP4-125-8	0.04"	25	000000000	0000
											5/8"	-0.002" to 0.002"	TP4	TP4-125-10	0.04"	25	000000000	0000
											3/4"	-0.002" to 0.002"	TP4	TP4-125-12	0.04"	25	000000000	0000




											3/16" Diameter

											3/8"	-0.002" to 0.002"	TP4	TP4-187-6	0.04"	25	000000000	0000


											1/2"	-0.002" to 0.002"	TP4	TP4-187-8	0.04"	25	000000000	0000
											5/8"	-0.002" to 0.002"	TP4	TP4-187-10	0.04"	25	000000000	0000
											3/4"	-0.002" to 0.002"	TP4	TP4-187-12	0.04"	25	000000000	00000
											1"	-0.002" to 0.002"	TP4	TP4-187-16	0.04"	25	000000000	00000




											1/4" Diameter

											1/2"	-0.002" to 0.002"	TP4	TP4-250-8	0.04"	25	000000000	00000


											5/8"	-0.002" to 0.002"	TP4	TP4-250-10	0.04"	25	000000000	00000
											3/4"	-0.002" to 0.002"	TP4	TP4-250-12	0.04"	25	000000000	00000
											1"	-0.002" to 0.002"	TP4	TP4-250-16	0.04"	25	000000000	00000




											3 mm Diameter

											8 mm	-0.05 mm to 0.05 mm	TP4	TP4-3MM-8	1 mm	25	000000000	0000


											10 mm	-0.05 mm to 0.05 mm	TP4	TP4-3MM-10	1 mm	25	000000000	0000
											12 mm	-0.05 mm to 0.05 mm	TP4	TP4-3MM-12	1 mm	25	000000000	0000
											16 mm	-0.05 mm to 0.05 mm	TP4	TP4-3MM-16	1 mm	25	000000000	0000




											4 mm Diameter

											8 mm	-0.05 mm to 0.05 mm	TP4	TP4-4MM-8	1 mm	25	000000000	0000


											10 mm	-0.05 mm to 0.05 mm	TP4	TP4-4MM-10	1 mm	25	000000000	0000
											12 mm	-0.05 mm to 0.05 mm	TP4	TP4-4MM-12	1 mm	25	000000000	0000
											16 mm	-0.05 mm to 0.05 mm	TP4	TP4-4MM-16	1 mm	25	000000000	0000




											5 mm Diameter

					10 mm	-0.05 mm to 0.05 mm					TP4	TP4-5MM-10	1 mm	25	000000000	0000


					12 mm	-0.05 mm to 0.05 mm					TP4	TP4-5MM-12	1 mm	25	000000000	0000
					16 mm	-0.05 mm to 0.05 mm					TP4	TP4-5MM-16	1 mm	25	000000000	00000
					20 mm	-0.05 mm to 0.05 mm					TP4	TP4-5MM-20	1 mm	25	000000000	00000




											6 mm Diameter

							12 mm	-0.05 mm to 0.05 mm			TP4	TP4-6MM-12	1 mm	25	000000000	00000


							16 mm	-0.05 mm to 0.05 mm			TP4	TP4-6MM-16	1 mm	25	000000000	00000
							20 mm	-0.05 mm to 0.05 mm			TP4	TP4-6MM-20	1 mm	25	000000000	00000


							A286 Stainless Steel







											1 mm Diameter

											2 mm	-0.038 mm to 0.038 mm	MPP	MPP-1MM-2	0.5 mm	25	000000000	00000


											3 mm	-0.038 mm to 0.038 mm	MPP	MPP-1MM-3	0.5 mm	25	000000000	00000
											4 mm	-0.038 mm to 0.038 mm	MPP	MPP-1MM-4	0.5 mm	25	000000000	00000
											5 mm	-0.038 mm to 0.038 mm	MPP	MPP-1MM-5	0.5 mm	25	000000000	00000




											1.5 mm Diameter

											3 mm	-0.038 mm to 0.038 mm	MPP	MPP-1.5MM-3	0.5 mm	25	000000000	00000


											4 mm	-0.038 mm to 0.038 mm	MPP	MPP-1.5MM-4	0.5 mm	25	000000000	00000
											5 mm	-0.038 mm to 0.038 mm	MPP	MPP-1.5MM-5	0.5 mm	25	000000000	00000
											6 mm	-0.038 mm to 0.038 mm	MPP	MPP-1.5MM-6	0.5 mm	25	000000000	00000
											8 mm	-0.038 mm to 0.038 mm	MPP	MPP-1.5MM-8	0.5 mm	25	000000000	00000




											2 mm Diameter

											4 mm	-0.038 mm to 0.038 mm	MPP	MPP-2MM-4	0.5 mm	25	000000000	0000


											5 mm	-0.038 mm to 0.038 mm	MPP	MPP-2MM-5	0.5 mm	25	000000000	00000
											6 mm	-0.038 mm to 0.038 mm	MPP	MPP-2MM-6	0.5 mm	25	000000000	00000
											8 mm	-0.038 mm to 0.038 mm	MPP	MPP-2MM-8	0.5 mm	25	000000000	00000
			10 mm								-0.038 mm to 0.038 mm	MPP	MPP-2MM-10	0.5 mm	25	000000000	00000

Low-Profile Captive Pins

Often used in cell phones and laptops, these low-profile pins attach thin panels such as printed circuit boards to metal and plastic bases. Also known as PEM® TackPins.

T4 PEM® Series—T4 PEM® Series pins are used to attach sheets to stainless steel. They are made of 400 series stainless steel to resist wear and abrasion and may be mildly magnetic. Pins are passivated for added protection against corrosion and oxidation.

TA PEM® Series—TA PEM® Series pins work with most materials. They are made of aluminum and are nonmagnetic.

			Head		For Hole Dia.
	Lg.	Dia. Tolerance	Dia.	Ht.	(A)	(B)	For Panel Thk. (C)	For Min. Panel Thk. (D)	PEM® Series No.	PEM® Part No.	Pkg. Qty.		Pkg.
400 Series Stainless Steel







				0.051" Diameter

				0.04"	-0.002" to 0.002"	0.079"	0.008"	0.058"	0.04"	0.008" to 0.011"	0.035"	T4	T4-10-025	25	000000000	00000


				Aluminum







								0.051" Diameter

								0.04"	-0.002" to 0.002"	0.079"	0.008"	0.058"	0.04"	0.008" to 0.011"	0.035"	TA	TA-10-025	25	000000000	0000


								0.051"	-0.002" to 0.002"	0.079"	0.008"	0.058"	0.04"	0.019" to 0.022"	0.035"	TA	TA-10-050	25	000000000	0000
								0.06"	-0.002" to 0.002"	0.079"	0.008"	0.058"	0.04"	0.028" to 0.031"	0.035"	TA	TA-10-075	25	000000000	0000

Captive Pins for Soft Materials

The grooves in these pins grip plastics and other soft materials. Press them in to hold panels together. Also known as PEM® TackSert pins, their small size makes them suitable for use in electronic assemblies.

TK4 PEM® Series—TK4 PEM® Series pins are used to attach sheets to cast aluminum and other brittle materials. They are made of 400 series stainless steel to resist wear and abrasion and may be mildly magnetic. Pins are passivated for added protection against corrosion and oxidation.

TKA PEM® Series—TKA PEM® Series pins are used to attach sheets to plastics. They're made of aluminum and are nonmagnetic.

		Head		For Hole Dia.
	Lg.	Dia.	Ht.	(A)	(B)	For Maximum Panel Thickness (C)	PEM® Series No.	PEM® Part No.	Pkg. Qty.		Pkg.
400 Series Stainless Steel







				0.047" Diameter

				0.039"	0.071"	0.011"	0.051"	0.039"	0.008"	TK4	TK4-10-100	25	000000000	00000


				0.059"	0.071"	0.011"	0.051"	0.039"	0.028"	TK4	TK4-10-150	25	000000000	0000
				0.079"	0.071"	0.011"	0.051"	0.039"	0.047"	TK4	TK4-10-200	25	000000000	0000
				0.098"	0.071"	0.011"	0.051"	0.039"	0.067"	TK4	TK4-10-250	25	000000000	0000
				0.118"	0.071"	0.011"	0.051"	0.039"	0.087"	TK4	TK4-10-300	25	000000000	0000


				Aluminum







								0.047" Diameter

								0.039"	0.071"	0.011"	0.051"	0.039"	0.008"	TKA	TKA-10-100	25	000000000	0000


								0.059"	0.071"	0.011"	0.051"	0.039"	0.028"	TKA	TKA-10-150	25	000000000	0000
								0.079"	0.071"	0.011"	0.051"	0.039"	0.047"	TKA	TKA-10-200	25	000000000	0000
								0.098"	0.071"	0.011"	0.051"	0.039"	0.067"	TKA	TKA-10-250	25	000000000	0000
								0.118"	0.071"	0.011"	0.051"	0.039"	0.087"	TKA	TKA-10-300	25	000000000	0000