		Catalogs for standard metal springs			Catalogs for other metal springs
		Overview of catalogs Compression springs Extension springs Torsion springs Compression spring strands Extension spring strands			Bore rings (snap rings) Double torsion spring Double spring plug Single spring plug Spring range Cable/hose protection coil 1400 Cable/hose protection coil 1410 Cable/hose protection coil 1420			Cable/hose protection coil 1430 Cable/hose protection coil 1440 Safety clip Draw bar spring Steel wire packaged in coils Steel wire bars Shaft rings Interlock garter spring

		Inquiry for standard metal springs			Inquiry for other metal springs
		Overview of Inquiries Compression springs Extension springs Torsion springs Compression spring strands Extension spring strands			Bore rings (snap rings) Double torsion spring Steel wire packaged in coils Steel wire bars Single spring plug Double spring plug Cable/hose protection coil 1400 Cable/hose protection coil 1410 Cable/hose protection coil 1420 Cable/hose protection coil 1430 Cable/hose protection coil 1440			Draw bar spring Safety clip Shaft rings Interlock garter spring Compression springs conical Extension Springs conical Special springs Bent wire parts Contact springs Shape springs Metal springs any

		Information on metal springs			Information main spring types
		Information extension springs \| Products Individual stamped and bent parts \| Products What does spring stiffness mean? \| Knowledge Large selection of compression springs \| Products Buy spring steel strip and spring steel plate \| Material Spring pins and other safety elements \| Products Calculate the spring constant \| Knowledge Design spring body \| Knowledge Shaped springs and flat springs \| Flat springs Conical compression springs \| Special springs Tension springs yard goods offer \| Endless extension springs Shaped springs, stamped and bent parts and laser parts according to customer requirements \| Leaf springs Types of stress compression springs \| Industry Stress-strain diagram spring steel \| Knowledge Calculate coil springs \| Knowledge Customized drawing parts \| Laser parts Hookese’s Law \| Industry Calculate spring force \| Endless compression springs Compression springs according to DIN 2098 \| Sale Application Spring steel grades and surface treatments \| Knowledge Laser cutting and laser cutting \| Manufacturing process and other cutting methods \| Laser parts Blattfeder Berechnung \| Flat springs Selection of safety elements \| Safety parts Spring systems for special tasks \| Pressemeldung Stamping and forming technology \| Punched and bent parts Flat springs offer \| Flat springs Surface treatments for steel springs \| Material Design of metal springs – Part 1 “Basics” \| Pressemeldung Non-positive connection with spring force \| Spring clips Offer spring clips \| Spring clips			Compression springs Extension springs Torsion springs Wire springs Special springs Shaped springs Flat springs

		Service & Information			Delivery program			Catalog
		Technical advice Spring design Price request Metal spring calculation to DIN 13906 Create CAD data Springs forum Movies and videos University service Metal spring information - blog.federnshop.com			Catalogue springs Special springs Spring materials Information on surface treatments spring packaging easy to assemble			Request spring catalog Federnshop.com E-Procurement (electronic purchasing)

Material \| Type of material	De2 [mm] \| outer diameter
Material \| type of material	L2 [mm] \| length
Material \| type of material	sn [mm] \| maximum spring deflection
Material \| type of material	e [mm] \| width
Material \| Type of material	Price group \| price group
Material \| type of material	D [mm] \| Mean coil diameter
Material \| type of material	Ln [mm] \| minimum length
Material \| type of material	PG \| Price group
Material \| type of material	Dd [mm] \| maximum diameter of mandrel
Material \| type of material	De [mm] \| outer coil diameter
Material \| type of material	De [mm] \| Outer coil diameter
Material \| type of material	r [mm] \| radius
Material \| type of material	L1 [mm] \| width
Material \| type of material	L2 [mm] \| width
Material \| type of material	P [mm] \| pitch of spring
Material \| type of material	L2 [mm] \| length
Material \| type of material	L2 [mm] \| length
Material \| type of material	L1 [mm] \| total length
Material \| type of material	h [mm] \| length of draw bar
Material \| type of material	r [mm] \| radius
Material \| type of material	Price group \| price group
Material \| type of material	Price group \| price group
Material \| type of material	Price group \| price group
Spring ends \| Spring ends	Price group \| price group
d [mm] \| wire diameter	sn [mm] \| maximum spring deflection
Eylet shape \| Eylet shape	Dh [mm] \| minimum diameter of bush
Coiling direction \| Coiling direction	Fn [N] \| maximum force
d1 [mm] \| tube diameter	Dh [mm] \| minimum bush diameter
Dd [mm] \| maximum diameter of mandrel	Tol2 [mm] \| +/- tolerance groove diameter
d [mm] \| wire diameter	L2 [mm] \| width of connecting bar
D [mm] \| shaft pipe diameter	L3 [mm] \| opening
a [mm] \| material thickness	P [mm] \| pitch of spring
Vol [pc.] \| capacity	P [mm] \| pitch of spring
Typ \| form	L2 [mm] \| length
Typ \| form	Fn [mm] \| maximum force
Typ \| form	Tol1 [mm] \| +/- tolerance inner diameter
Typ \| form	Price group \| price group
Typ \| form	Lk [mm] \| length of relaxed spring body
d [mm] \| wire diameter	L0 [mm] \| unstressed spring length
Fed \| reference of compression spring	sn1 [mm] \| maximum spring deflection of one coil
d [mm] \| wire diameter	L0 [mm] \| length of unstressed spring, measured from inner edge of loop to inner edge of loop
d [mm] \| wire diameter	Tol1 [mm] \| +/- tolerance outer diameter
d1 [mm] \| shaft diameter	L3 [mm] \| distance from central coil to connecting bar
d [mm] \| wire diameter	L4 [mm] \| distance
Content [pc.] \| Document	P [mm] \| pitch of spring
d [mm] \| Wire diameter	R [N/mm] \| spring rate
D [mm] \| mean coil diameter	Tol2 [mm] \| +/- tolerance groove diameter
Eyelet position [°] \| Eyelet position	Price group \| price group
d [mm] \| wire diameter	Price group \| price group
d2 [mm] \| groove diameter	Ln [mm] \| maximum spring length
d [mm] \| wire diameter	Lk [mm] \| buckling length
D2 [mm] \| hole diameter	Weight [g] \| weight of one spring
d [mm] \| wire diameter	αn [degree] \| maximum rotational angle
b [mm] \| material width	dz [mm] \| wire diameter of draw bar
Bez \| name of assortment	Weight [g] \| weight of one spring
d [mm] \| wire diameter	Price group \| price group
D2 [mm] \| cable up to	Price group \| price group
d [mm] \| wire diameter	sn [mm] \| maximum spring deflection
d [mm] \| wire diameter	nt [pc.] \| total number of coils
d [mm] \| wire diameter	Fn [N] \| maximum force in static use
D [mm] \| shaft pipe diameter	R1 [N/mm] \| spring rate of one coil
De [mm] \| outer diameter	Lk [mm] \| length of unstressed spring body
L [m] \| length in meters per unit	Fn [N] \| maximum spring force
L [mm] \| length	Lk0 [mm] \| length of spring body
d2 [mm] \| groove diameter	Mn [Nmm] \| maximum torque
De [mm] \| outer diameter	Price group \| price group
Leg position [degree] \| Leg position when relaxed	Price group \| price group
Type of test certificate \| Type of test certificate	Price group \| price group
De [mm] \| outer coil diameter	Ln [mm] \| Minimum length in static use
d [mm] \| Wire diameter	Ln [mm] \| maximum spring length, inner loop to inner loop
d [mm] \| Wire diameter	F0 [N] \| initial tension
d7 [mm] \| wire diameter	αs [degree] \| angle between leg and connecting bar
Di [mm] \| inner diameter	R [N/mm] \| spring rate
D [mm] \| shaft pipe diameter	sn [mm] \| Maximum spring deflection in static use
L1 [mm] \| length	S [mm] \| pitch of spring, distance mid-wire to mid-wire
D1 [mm] \| clamped diameter up to	sn [mm] \| Maximum spring deflection
Typ \| different spring types	sn1 [mm] \| maximum spring deflection of one coil
D2 [mm] \| cable up to	Ls [mm] \| leg length
d [mm] \| wire diameter	Price group \| price group
De [mm] \| outer diameter	Fndyn [N] \| maximum force in dynamic use
De [mm] \| outer diameter	Lndyn [mm] \| Minimum length in dynamic use
D2 [mm] \| cable up to	shdyn [mm] \| Maximum stroke in dynamic use
D2 [mm] \| hole diameter	S [mm] \| pitch of spring
L0 [mm] \| unstressed spring length	Fn [N] \| Maximum spring force
Weight [g] \| weight of one spring	R1 [N/mm] \| spring rate of one coil
d3 [mm] \| inner diameter	Dd [mm] \| maximum diameter of mandrel
L0 [mm] \| unstressed spring length	R [N/mm] \| spring rate
Di [mm] \| Inner coil diameter	n [pc.] \| number of active coils
Price group \| price group	n [pc.] \| Number of aktive coils
Type of metal spring \| Type of metal spring	Dh [mm] \| minimum diameter of bush
D [mm] \| Mean coil diameter	Weight [g] \| weight of one spring
Di [mm] \| inner coil diameter	nt [pc.] \| total number of coils
d3 [mm] \| outer diameter	Mn [Nmm] \| maximum torque
n [pc.] \| number of coils	nt [pc.] \| total number of coils
L1 [mm] \| length	R [N/mm] \| Spring rate
L2 [mm] \| length	Lh [mm] \| distance of inner edge of loop from the spring body
D2 [mm] \| hole diameter	alphan [degree] \| maximum rotational angle
d [mm] \| different wire diameters	Detol [mm] \| (+/-) tolerances of outer coil diameter
De [mm] \| outer diameter	Weight [g] \| weight of one spring
De [mm] \| outer diameter	R [N/mm] \| Spring rate
D2 [mm] \| cable up to	nt [pc.] \| total number of coils
D2 [mm] \| cable up to	L0tol [mm] \| (+/-) tolerance of unstressed spring length
De1 [mm] \| outer diameter	Ddmax [mm] \| maximum possible mandrel diameter
L1 [mm] \| length	E [N/mm²] \| Elasticity modulus
L1 [mm] \| inner diameter of draw bar	Dh [mm] \| minimum bush diameter
d7 [mm] \| wire diameter	F0 [N] \| initial tension
Price group \| price group	Ddmin [mm] \| Min. possible mandrel diameter
Price group \| price group	Fntol [N] \| (+/-) tolerance of maximum force
Di [mm] \| Inner coil diameter	Detol [mm] \| (+/-) tolerance of outer coil diameter
L0 [mm] \| unstressed spring length	Fntol [N] \| (+/-) tolerance of maximum spring force
D [mm] \| mean coil diamter	Price group \| price group
De [mm] \| Outer coil diameter	F0tol [N] \| (+/-) tolerance of initial tension
D [mm] \| mean coil diameter	L0tol [mm] \| (+/-) tolerance of unstressed length
De [mm] \| outer coil diameter	Weight [g] \| weight of one spring
e [mm] \| width	Fntol [N] \| (+/-) tolerance of maximum spring force
Ls [mm] \| leg lengths	Detol [mm] \| (+/-) tolerance of outer coil diameter
L2 [mm] \| length	Weight [g] \| weight of one spring
D2 [mm] \| hole diameter	Price group \| price group
L1 [mm] \| length	Oesttol [degree] \| (+/-) tolerance of loop position
L1 [mm] \| total length	Price group \| price group
L1 [mm] \| total length	Weight [g] \| weight of one spring
L1 [mm] \| total length	Price group \| price group
L1 [mm] \| total length	Price group \| price group