400 H, HE Series

Delron Inserts 400 H, HE Series – Blind Thread

Style Selection

Notes:

1. Burrs permissible at knurled areas and underside of head around potting slots.
2. Adhesive backed installation tabs are furnished with each slotted part. See Table 3.
3. Plated or lubed bolts are recommended for use with self-locking cres inserts.
4.  Tolerances, unless otherwise specified: .xxx ± .010; Angles ± 2°.

Table 1

Size	PThread Size 9	A Head Dia.	B Flange Dia.	C	D
440	.1120-40 UNJC-3B	.374	.322	.195	.100
632	.1380-32 UNJC-3B	.436	.385	.230	.120
832	.1640-32 UNJC-3B	.499	.447	.290	.120
1032	.1900-32 UNJF-3B	.499	.447	.290	.120
428	.2500-28 UNJF-3B	.561	.510	.353	.140
524	.3125-24 UNJF-3B	.686	.635	.460	.150
624	.3750-24 UNJF-3B	.811	.697	.550	.150

Part Number Selection
Consult Rosán for availability of optional materials, finishes and sizes.

Typical Assembly

Typical Series 400 HE, Blind Threaded Insert; installed in honeycomb sandwich panel. Insert is held in place by a cured
epoxy compound.

Note: For installation and tooling information, see pages 44 and 45.

Length Dash Number Selection
Select Length Dash Number from Tables 2 based on the minimum full thread length required by the application. Insert
length “L” must be a minimum of .040″ less than depth of panel core (See Fig. 1).

Example:

1. Requirements:832 size, Non-Metallic Lock Thread, 303 CRES, Slotted Head with a Minimum Full Thread Length of .295,
and an overall panel thickness of .520.From table select:-08 P/N = 464HE832-08

2. Requirements: 440 Size Helical Coil Lock, Carbon Steel, Flush Head, with a Minimum Full Thread Length of .150, and an
overall panel thickness of .455.From table select: -07 P/N = 496H440-07

Fig. 1

Minimum clearance is required between bottom of insert and inside panel skin for proper epoxy bonding around bottom of
insert.

Tables 2
All Thread Types Except Helical Coil Lock

Length Dash Number	L	Thread Size
		440	632	832	1032	428	524	624
-04*	.220	.170	.170	.170	.170	–	–	–
-05*	.285	.190	.190	.190	.190	.235	–	–
-06*	.335	.225	.235	.235	.235	.250	–	–
-07	.395	.250	.280	.280	.280	.250	–	–
-08	.455	.250	.280	.330	.330	.330	.320	–
-10	.565	.250	.280	.330	.380	.420	.430	.425
-12	.690	.250	.280	.330	.380	.500	.550	.550
-14	.815	.250	.280	.330	.380	.500	.625	.625
-16	.935	.250	.280	.330	.380	.500	.625	.750

*Close out disc required to provide minimum full thread.

Helical Coil Lock Types

Length Dash Number	L	Thread Size
		440	632	832	1032	428	524	624
-06	.335	.112	–	–	–	–	–	–
-07	.395	.168	.138	–	–	–	–	–
-08	.455	.224	.207	.164	.190	–	–	–
-10	.565	.224	.276	.246	.285	.250	–	–
-12	.690	.224	.276	.328	.380	.375	.312	–
-14	.815	.224	.276	.328	.380	.500	.469	.375
-16	.935	.224	.276	.328	.380	.500	.469	.562

Installation Tabs
Adhesive backed installation tabs are supplied with all 400 HE Series Inserts, unless otherwise specified. The tabs are
coded by insert thread size as listed in Table 3.

Table 3

Thread Size	Installation Tab Number
440	T16
632	T21
832	T4
1032	T4
428	T6
524	T9
624	T11

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